Home / 3,819.04-5,723.44-3,143.20

Finding the Fourth Proportional to 3,819.04, 5,723.44 and 3,143.20

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Solution

The fourth proportional to 3,819.04, 5,723.44 and 3,143.20 is: 4,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.04 : 5,723.44 = 3,143.20 : x
  2. Step 2: Convert to fraction form
    3,819.04/5,723.44 = 3,143.20/x
  3. Step 3: Cross multiply
    3,819.04x = 5,723.44 × 3,143.20
  4. Step 4: Simplify right side
    3,819.04x = 17,989,916.61
  5. Step 5: Solve for x
    x = 17,989,916.61/3,819.04
  6. Step 6: Final answer
    x = 4,710.59

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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.