Home / 1,046.38-1,569.66-276.88

Finding the Fourth Proportional to 1,046.38, 1,569.66 and 276.88

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Solution

The fourth proportional to 1,046.38, 1,569.66 and 276.88 is: 415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.38 : 1,569.66 = 276.88 : x
  2. Step 2: Convert to fraction form
    1,046.38/1,569.66 = 276.88/x
  3. Step 3: Cross multiply
    1,046.38x = 1,569.66 × 276.88
  4. Step 4: Simplify right side
    1,046.38x = 434,607.46
  5. Step 5: Solve for x
    x = 434,607.46/1,046.38
  6. Step 6: Final answer
    x = 415.34

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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.