Home / 3,849.20-5,312.68-3,008.24

Finding the Fourth Proportional to 3,849.20, 5,312.68 and 3,008.24

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Solution

The fourth proportional to 3,849.20, 5,312.68 and 3,008.24 is: 4,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.20 : 5,312.68 = 3,008.24 : x
  2. Step 2: Convert to fraction form
    3,849.20/5,312.68 = 3,008.24/x
  3. Step 3: Cross multiply
    3,849.20x = 5,312.68 × 3,008.24
  4. Step 4: Simplify right side
    3,849.20x = 15,981,802.32
  5. Step 5: Solve for x
    x = 15,981,802.32/3,849.20
  6. Step 6: Final answer
    x = 4,151.98

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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.