Home / 3,441.72-4,753.47-2,665.20

Finding the Fourth Proportional to 3,441.72, 4,753.47 and 2,665.20

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Solution

The fourth proportional to 3,441.72, 4,753.47 and 2,665.20 is: 3,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.72 : 4,753.47 = 2,665.20 : x
  2. Step 2: Convert to fraction form
    3,441.72/4,753.47 = 2,665.20/x
  3. Step 3: Cross multiply
    3,441.72x = 4,753.47 × 2,665.20
  4. Step 4: Simplify right side
    3,441.72x = 12,668,948.24
  5. Step 5: Solve for x
    x = 12,668,948.24/3,441.72
  6. Step 6: Final answer
    x = 3,680.99

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1.5x scale

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.