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Finding the Fourth Proportional to 2,308.90, 3,463.35 and 577.52

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Solution

The fourth proportional to 2,308.90, 3,463.35 and 577.52 is: 866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.90 : 3,463.35 = 577.52 : x
  2. Step 2: Convert to fraction form
    2,308.90/3,463.35 = 577.52/x
  3. Step 3: Cross multiply
    2,308.90x = 3,463.35 × 577.52
  4. Step 4: Simplify right side
    2,308.90x = 2,000,151.00
  5. Step 5: Solve for x
    x = 2,000,151.00/2,308.90
  6. Step 6: Final answer
    x = 866.28

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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.