Home / 3,237.06-4,854.15-1,387.20

Finding the Fourth Proportional to 3,237.06, 4,854.15 and 1,387.20

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Solution

The fourth proportional to 3,237.06, 4,854.15 and 1,387.20 is: 2,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.06 : 4,854.15 = 1,387.20 : x
  2. Step 2: Convert to fraction form
    3,237.06/4,854.15 = 1,387.20/x
  3. Step 3: Cross multiply
    3,237.06x = 4,854.15 × 1,387.20
  4. Step 4: Simplify right side
    3,237.06x = 6,733,676.88
  5. Step 5: Solve for x
    x = 6,733,676.88/3,237.06
  6. Step 6: Final answer
    x = 2,080.18

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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.