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Finding the Fourth Proportional to 3,273.02, 4,909.53 and 932.93

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Solution

The fourth proportional to 3,273.02, 4,909.53 and 932.93 is: 1,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.02 : 4,909.53 = 932.93 : x
  2. Step 2: Convert to fraction form
    3,273.02/4,909.53 = 932.93/x
  3. Step 3: Cross multiply
    3,273.02x = 4,909.53 × 932.93
  4. Step 4: Simplify right side
    3,273.02x = 4,580,247.82
  5. Step 5: Solve for x
    x = 4,580,247.82/3,273.02
  6. Step 6: Final answer
    x = 1,399.40

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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.