Home / 1,134.07-1,565.45-1,102.86

Finding the Fourth Proportional to 1,134.07, 1,565.45 and 1,102.86

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Solution

The fourth proportional to 1,134.07, 1,565.45 and 1,102.86 is: 1,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.07 : 1,565.45 = 1,102.86 : x
  2. Step 2: Convert to fraction form
    1,134.07/1,565.45 = 1,102.86/x
  3. Step 3: Cross multiply
    1,134.07x = 1,565.45 × 1,102.86
  4. Step 4: Simplify right side
    1,134.07x = 1,726,472.19
  5. Step 5: Solve for x
    x = 1,726,472.19/1,134.07
  6. Step 6: Final answer
    x = 1,522.37

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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.