Home / 3,617.60-4,964.56-3,387.20

Finding the Fourth Proportional to 3,617.60, 4,964.56 and 3,387.20

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Solution

The fourth proportional to 3,617.60, 4,964.56 and 3,387.20 is: 4,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.60 : 4,964.56 = 3,387.20 : x
  2. Step 2: Convert to fraction form
    3,617.60/4,964.56 = 3,387.20/x
  3. Step 3: Cross multiply
    3,617.60x = 4,964.56 × 3,387.20
  4. Step 4: Simplify right side
    3,617.60x = 16,815,957.63
  5. Step 5: Solve for x
    x = 16,815,957.63/3,617.60
  6. Step 6: Final answer
    x = 4,648.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.