Home / 1,110.59-1,665.88-1,042.92

Finding the Fourth Proportional to 1,110.59, 1,665.88 and 1,042.92

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Solution

The fourth proportional to 1,110.59, 1,665.88 and 1,042.92 is: 1,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.59 : 1,665.88 = 1,042.92 : x
  2. Step 2: Convert to fraction form
    1,110.59/1,665.88 = 1,042.92/x
  3. Step 3: Cross multiply
    1,110.59x = 1,665.88 × 1,042.92
  4. Step 4: Simplify right side
    1,110.59x = 1,737,378.52
  5. Step 5: Solve for x
    x = 1,737,378.52/1,110.59
  6. Step 6: Final answer
    x = 1,564.38

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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.