Home / 3,239.30-4,860.15-3,119.30

Finding the Fourth Proportional to 3,239.30, 4,860.15 and 3,119.30

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Solution

The fourth proportional to 3,239.30, 4,860.15 and 3,119.30 is: 4,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.30 : 4,860.15 = 3,119.30 : x
  2. Step 2: Convert to fraction form
    3,239.30/4,860.15 = 3,119.30/x
  3. Step 3: Cross multiply
    3,239.30x = 4,860.15 × 3,119.30
  4. Step 4: Simplify right side
    3,239.30x = 15,160,265.90
  5. Step 5: Solve for x
    x = 15,160,265.90/3,239.30
  6. Step 6: Final answer
    x = 4,680.11

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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.