Home / 2,913.12-4,370.40-2,399.04

Finding the Fourth Proportional to 2,913.12, 4,370.40 and 2,399.04

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Solution

The fourth proportional to 2,913.12, 4,370.40 and 2,399.04 is: 3,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.12 : 4,370.40 = 2,399.04 : x
  2. Step 2: Convert to fraction form
    2,913.12/4,370.40 = 2,399.04/x
  3. Step 3: Cross multiply
    2,913.12x = 4,370.40 × 2,399.04
  4. Step 4: Simplify right side
    2,913.12x = 10,484,764.42
  5. Step 5: Solve for x
    x = 10,484,764.42/2,913.12
  6. Step 6: Final answer
    x = 3,599.15

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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.