Home / 3,938.47-5,907.87-1,473.04

Finding the Fourth Proportional to 3,938.47, 5,907.87 and 1,473.04

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Solution

The fourth proportional to 3,938.47, 5,907.87 and 1,473.04 is: 2,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.47 : 5,907.87 = 1,473.04 : x
  2. Step 2: Convert to fraction form
    3,938.47/5,907.87 = 1,473.04/x
  3. Step 3: Cross multiply
    3,938.47x = 5,907.87 × 1,473.04
  4. Step 4: Simplify right side
    3,938.47x = 8,702,528.82
  5. Step 5: Solve for x
    x = 8,702,528.82/3,938.47
  6. Step 6: Final answer
    x = 2,209.62

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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.