Home / 3,242.60-4,473.08-2,455.28

Finding the Fourth Proportional to 3,242.60, 4,473.08 and 2,455.28

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Solution

The fourth proportional to 3,242.60, 4,473.08 and 2,455.28 is: 3,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.60 : 4,473.08 = 2,455.28 : x
  2. Step 2: Convert to fraction form
    3,242.60/4,473.08 = 2,455.28/x
  3. Step 3: Cross multiply
    3,242.60x = 4,473.08 × 2,455.28
  4. Step 4: Simplify right side
    3,242.60x = 10,982,663.86
  5. Step 5: Solve for x
    x = 10,982,663.86/3,242.60
  6. Step 6: Final answer
    x = 3,386.99

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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.