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Finding the Fourth Proportional to 2,308.52, 3,460.62 and 847.28

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Solution

The fourth proportional to 2,308.52, 3,460.62 and 847.28 is: 1,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.52 : 3,460.62 = 847.28 : x
  2. Step 2: Convert to fraction form
    2,308.52/3,460.62 = 847.28/x
  3. Step 3: Cross multiply
    2,308.52x = 3,460.62 × 847.28
  4. Step 4: Simplify right side
    2,308.52x = 2,932,114.11
  5. Step 5: Solve for x
    x = 2,932,114.11/2,308.52
  6. Step 6: Final answer
    x = 1,270.13

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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.