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Finding the Fourth Proportional to 1,651.04, 2,476.60 and 555.42

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Solution

The fourth proportional to 1,651.04, 2,476.60 and 555.42 is: 833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.04 : 2,476.60 = 555.42 : x
  2. Step 2: Convert to fraction form
    1,651.04/2,476.60 = 555.42/x
  3. Step 3: Cross multiply
    1,651.04x = 2,476.60 × 555.42
  4. Step 4: Simplify right side
    1,651.04x = 1,375,553.17
  5. Step 5: Solve for x
    x = 1,375,553.17/1,651.04
  6. Step 6: Final answer
    x = 833.14

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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.