Home / 1,156.95-1,733.89-425.85

Finding the Fourth Proportional to 1,156.95, 1,733.89 and 425.85

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Solution

The fourth proportional to 1,156.95, 1,733.89 and 425.85 is: 638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.95 : 1,733.89 = 425.85 : x
  2. Step 2: Convert to fraction form
    1,156.95/1,733.89 = 425.85/x
  3. Step 3: Cross multiply
    1,156.95x = 1,733.89 × 425.85
  4. Step 4: Simplify right side
    1,156.95x = 738,374.93
  5. Step 5: Solve for x
    x = 738,374.93/1,156.95
  6. Step 6: Final answer
    x = 638.21

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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.