Home / 1,037.82-1,432.35-612.57

Finding the Fourth Proportional to 1,037.82, 1,432.35 and 612.57

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Solution

The fourth proportional to 1,037.82, 1,432.35 and 612.57 is: 845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.82 : 1,432.35 = 612.57 : x
  2. Step 2: Convert to fraction form
    1,037.82/1,432.35 = 612.57/x
  3. Step 3: Cross multiply
    1,037.82x = 1,432.35 × 612.57
  4. Step 4: Simplify right side
    1,037.82x = 877,414.64
  5. Step 5: Solve for x
    x = 877,414.64/1,037.82
  6. Step 6: Final answer
    x = 845.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.