Home / 3,230.36-4,841.88-1,381.12

Finding the Fourth Proportional to 3,230.36, 4,841.88 and 1,381.12

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Solution

The fourth proportional to 3,230.36, 4,841.88 and 1,381.12 is: 2,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.36 : 4,841.88 = 1,381.12 : x
  2. Step 2: Convert to fraction form
    3,230.36/4,841.88 = 1,381.12/x
  3. Step 3: Cross multiply
    3,230.36x = 4,841.88 × 1,381.12
  4. Step 4: Simplify right side
    3,230.36x = 6,687,217.31
  5. Step 5: Solve for x
    x = 6,687,217.31/3,230.36
  6. Step 6: Final answer
    x = 2,070.12

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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.