Home / 3,851.20-5,313.18-2,358.52

Finding the Fourth Proportional to 3,851.20, 5,313.18 and 2,358.52

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Solution

The fourth proportional to 3,851.20, 5,313.18 and 2,358.52 is: 3,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.20 : 5,313.18 = 2,358.52 : x
  2. Step 2: Convert to fraction form
    3,851.20/5,313.18 = 2,358.52/x
  3. Step 3: Cross multiply
    3,851.20x = 5,313.18 × 2,358.52
  4. Step 4: Simplify right side
    3,851.20x = 12,531,241.29
  5. Step 5: Solve for x
    x = 12,531,241.29/3,851.20
  6. Step 6: Final answer
    x = 3,253.85

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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.