Home / 3,165.47-4,748.20-1,086.08

Finding the Fourth Proportional to 3,165.47, 4,748.20 and 1,086.08

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Solution

The fourth proportional to 3,165.47, 4,748.20 and 1,086.08 is: 1,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.47 : 4,748.20 = 1,086.08 : x
  2. Step 2: Convert to fraction form
    3,165.47/4,748.20 = 1,086.08/x
  3. Step 3: Cross multiply
    3,165.47x = 4,748.20 × 1,086.08
  4. Step 4: Simplify right side
    3,165.47x = 5,156,898.60
  5. Step 5: Solve for x
    x = 5,156,898.60/3,165.47
  6. Step 6: Final answer
    x = 1,629.11

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Similar ratio
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1.5x scale

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.