Home / 1,655.27-2,479.14-1,370.55

Finding the Fourth Proportional to 1,655.27, 2,479.14 and 1,370.55

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Solution

The fourth proportional to 1,655.27, 2,479.14 and 1,370.55 is: 2,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.27 : 2,479.14 = 1,370.55 : x
  2. Step 2: Convert to fraction form
    1,655.27/2,479.14 = 1,370.55/x
  3. Step 3: Cross multiply
    1,655.27x = 2,479.14 × 1,370.55
  4. Step 4: Simplify right side
    1,655.27x = 3,397,785.33
  5. Step 5: Solve for x
    x = 3,397,785.33/1,655.27
  6. Step 6: Final answer
    x = 2,052.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.