Home / 1,156.50-1,733.72-425.93

Finding the Fourth Proportional to 1,156.50, 1,733.72 and 425.93

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Solution

The fourth proportional to 1,156.50, 1,733.72 and 425.93 is: 638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.50 : 1,733.72 = 425.93 : x
  2. Step 2: Convert to fraction form
    1,156.50/1,733.72 = 425.93/x
  3. Step 3: Cross multiply
    1,156.50x = 1,733.72 × 425.93
  4. Step 4: Simplify right side
    1,156.50x = 738,432.56
  5. Step 5: Solve for x
    x = 738,432.56/1,156.50
  6. Step 6: Final answer
    x = 638.51

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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.