Home / 3,984.76-5,970.66-2,519.20

Finding the Fourth Proportional to 3,984.76, 5,970.66 and 2,519.20

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Solution

The fourth proportional to 3,984.76, 5,970.66 and 2,519.20 is: 3,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.76 : 5,970.66 = 2,519.20 : x
  2. Step 2: Convert to fraction form
    3,984.76/5,970.66 = 2,519.20/x
  3. Step 3: Cross multiply
    3,984.76x = 5,970.66 × 2,519.20
  4. Step 4: Simplify right side
    3,984.76x = 15,041,286.67
  5. Step 5: Solve for x
    x = 15,041,286.67/3,984.76
  6. Step 6: Final answer
    x = 3,774.70

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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.