Home / 1,764.36-2,435.46-1,260.84

Finding the Fourth Proportional to 1,764.36, 2,435.46 and 1,260.84

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Solution

The fourth proportional to 1,764.36, 2,435.46 and 1,260.84 is: 1,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.36 : 2,435.46 = 1,260.84 : x
  2. Step 2: Convert to fraction form
    1,764.36/2,435.46 = 1,260.84/x
  3. Step 3: Cross multiply
    1,764.36x = 2,435.46 × 1,260.84
  4. Step 4: Simplify right side
    1,764.36x = 3,070,725.39
  5. Step 5: Solve for x
    x = 3,070,725.39/1,764.36
  6. Step 6: Final answer
    x = 1,740.42

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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.