Home / 3,236.19-4,854.28-1,387.15

Finding the Fourth Proportional to 3,236.19, 4,854.28 and 1,387.15

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Solution

The fourth proportional to 3,236.19, 4,854.28 and 1,387.15 is: 2,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.19 : 4,854.28 = 1,387.15 : x
  2. Step 2: Convert to fraction form
    3,236.19/4,854.28 = 1,387.15/x
  3. Step 3: Cross multiply
    3,236.19x = 4,854.28 × 1,387.15
  4. Step 4: Simplify right side
    3,236.19x = 6,733,614.50
  5. Step 5: Solve for x
    x = 6,733,614.50/3,236.19
  6. Step 6: Final answer
    x = 2,080.72

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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.