Home / 1,711.40-2,553.66-1,606.91

Finding the Fourth Proportional to 1,711.40, 2,553.66 and 1,606.91

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Solution

The fourth proportional to 1,711.40, 2,553.66 and 1,606.91 is: 2,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.40 : 2,553.66 = 1,606.91 : x
  2. Step 2: Convert to fraction form
    1,711.40/2,553.66 = 1,606.91/x
  3. Step 3: Cross multiply
    1,711.40x = 2,553.66 × 1,606.91
  4. Step 4: Simplify right side
    1,711.40x = 4,103,489.02
  5. Step 5: Solve for x
    x = 4,103,489.02/1,711.40
  6. Step 6: Final answer
    x = 2,397.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.