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Finding the Fourth Proportional to 3,670.87, 5,070 and 2,417.53

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Solution

The fourth proportional to 3,670.87, 5,070 and 2,417.53 is: 3,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.87 : 5,070 = 2,417.53 : x
  2. Step 2: Convert to fraction form
    3,670.87/5,070 = 2,417.53/x
  3. Step 3: Cross multiply
    3,670.87x = 5,070 × 2,417.53
  4. Step 4: Simplify right side
    3,670.87x = 12,256,877.10
  5. Step 5: Solve for x
    x = 12,256,877.10/3,670.87
  6. Step 6: Final answer
    x = 3,338.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.