Home / 2,260.76-3,120.14-1,376.51

Finding the Fourth Proportional to 2,260.76, 3,120.14 and 1,376.51

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Solution

The fourth proportional to 2,260.76, 3,120.14 and 1,376.51 is: 1,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.76 : 3,120.14 = 1,376.51 : x
  2. Step 2: Convert to fraction form
    2,260.76/3,120.14 = 1,376.51/x
  3. Step 3: Cross multiply
    2,260.76x = 3,120.14 × 1,376.51
  4. Step 4: Simplify right side
    2,260.76x = 4,294,897.03
  5. Step 5: Solve for x
    x = 4,294,897.03/2,260.76
  6. Step 6: Final answer
    x = 1,899.76

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,261.76, 3,121.52 and 1,377.51
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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.