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Finding the Fourth Proportional to 2,909.62, 4,362.48 and 1,060.50

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Solution

The fourth proportional to 2,909.62, 4,362.48 and 1,060.50 is: 1,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.62 : 4,362.48 = 1,060.50 : x
  2. Step 2: Convert to fraction form
    2,909.62/4,362.48 = 1,060.50/x
  3. Step 3: Cross multiply
    2,909.62x = 4,362.48 × 1,060.50
  4. Step 4: Simplify right side
    2,909.62x = 4,626,410.04
  5. Step 5: Solve for x
    x = 4,626,410.04/2,909.62
  6. Step 6: Final answer
    x = 1,590.04

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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.