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Finding the Fourth Proportional to 3,114.53, 4,670.88 and 1,652.90

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Solution

The fourth proportional to 3,114.53, 4,670.88 and 1,652.90 is: 2,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.53 : 4,670.88 = 1,652.90 : x
  2. Step 2: Convert to fraction form
    3,114.53/4,670.88 = 1,652.90/x
  3. Step 3: Cross multiply
    3,114.53x = 4,670.88 × 1,652.90
  4. Step 4: Simplify right side
    3,114.53x = 7,720,497.55
  5. Step 5: Solve for x
    x = 7,720,497.55/3,114.53
  6. Step 6: Final answer
    x = 2,478.86

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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.