Home / 3,541.28-5,311.82-1,693.70

Finding the Fourth Proportional to 3,541.28, 5,311.82 and 1,693.70

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Solution

The fourth proportional to 3,541.28, 5,311.82 and 1,693.70 is: 2,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.28 : 5,311.82 = 1,693.70 : x
  2. Step 2: Convert to fraction form
    3,541.28/5,311.82 = 1,693.70/x
  3. Step 3: Cross multiply
    3,541.28x = 5,311.82 × 1,693.70
  4. Step 4: Simplify right side
    3,541.28x = 8,996,629.53
  5. Step 5: Solve for x
    x = 8,996,629.53/3,541.28
  6. Step 6: Final answer
    x = 2,540.50

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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.