Home / 3,320.76-4,967.45-2,729.10

Finding the Fourth Proportional to 3,320.76, 4,967.45 and 2,729.10

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Solution

The fourth proportional to 3,320.76, 4,967.45 and 2,729.10 is: 4,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.76 : 4,967.45 = 2,729.10 : x
  2. Step 2: Convert to fraction form
    3,320.76/4,967.45 = 2,729.10/x
  3. Step 3: Cross multiply
    3,320.76x = 4,967.45 × 2,729.10
  4. Step 4: Simplify right side
    3,320.76x = 13,556,667.80
  5. Step 5: Solve for x
    x = 13,556,667.80/3,320.76
  6. Step 6: Final answer
    x = 4,082.40

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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.