Home / 1,785.91-2,463.96-1,077.97

Finding the Fourth Proportional to 1,785.91, 2,463.96 and 1,077.97

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Solution

The fourth proportional to 1,785.91, 2,463.96 and 1,077.97 is: 1,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.91 : 2,463.96 = 1,077.97 : x
  2. Step 2: Convert to fraction form
    1,785.91/2,463.96 = 1,077.97/x
  3. Step 3: Cross multiply
    1,785.91x = 2,463.96 × 1,077.97
  4. Step 4: Simplify right side
    1,785.91x = 2,656,074.96
  5. Step 5: Solve for x
    x = 2,656,074.96/1,785.91
  6. Step 6: Final answer
    x = 1,487.24

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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.