Home / 1,084.25-1,627.02-434.97

Finding the Fourth Proportional to 1,084.25, 1,627.02 and 434.97

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Solution

The fourth proportional to 1,084.25, 1,627.02 and 434.97 is: 652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.25 : 1,627.02 = 434.97 : x
  2. Step 2: Convert to fraction form
    1,084.25/1,627.02 = 434.97/x
  3. Step 3: Cross multiply
    1,084.25x = 1,627.02 × 434.97
  4. Step 4: Simplify right side
    1,084.25x = 707,704.89
  5. Step 5: Solve for x
    x = 707,704.89/1,084.25
  6. Step 6: Final answer
    x = 652.71

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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.