Home / 1,156.26-1,733.31-425.64

Finding the Fourth Proportional to 1,156.26, 1,733.31 and 425.64

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Solution

The fourth proportional to 1,156.26, 1,733.31 and 425.64 is: 638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.26 : 1,733.31 = 425.64 : x
  2. Step 2: Convert to fraction form
    1,156.26/1,733.31 = 425.64/x
  3. Step 3: Cross multiply
    1,156.26x = 1,733.31 × 425.64
  4. Step 4: Simplify right side
    1,156.26x = 737,766.07
  5. Step 5: Solve for x
    x = 737,766.07/1,156.26
  6. Step 6: Final answer
    x = 638.06

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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.