Home / 1,046.34-1,569.06-396.90

Finding the Fourth Proportional to 1,046.34, 1,569.06 and 396.90

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Solution

The fourth proportional to 1,046.34, 1,569.06 and 396.90 is: 595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.34 : 1,569.06 = 396.90 : x
  2. Step 2: Convert to fraction form
    1,046.34/1,569.06 = 396.90/x
  3. Step 3: Cross multiply
    1,046.34x = 1,569.06 × 396.90
  4. Step 4: Simplify right side
    1,046.34x = 622,759.91
  5. Step 5: Solve for x
    x = 622,759.91/1,046.34
  6. Step 6: Final answer
    x = 595.18

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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.