Home / 2,046.45-2,824.74-1,260.75

Finding the Fourth Proportional to 2,046.45, 2,824.74 and 1,260.75

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Solution

The fourth proportional to 2,046.45, 2,824.74 and 1,260.75 is: 1,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.45 : 2,824.74 = 1,260.75 : x
  2. Step 2: Convert to fraction form
    2,046.45/2,824.74 = 1,260.75/x
  3. Step 3: Cross multiply
    2,046.45x = 2,824.74 × 1,260.75
  4. Step 4: Simplify right side
    2,046.45x = 3,561,290.96
  5. Step 5: Solve for x
    x = 3,561,290.96/2,046.45
  6. Step 6: Final answer
    x = 1,740.23

Related Problems

Find fourth proportional to 1,023.23, 1,412.37 and 630.38
Half scale
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Double scale
Find fourth proportional to 2,047.45, 2,826.12 and 1,261.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.