Home / 2,924.20-4,386.30-2,732.20

Finding the Fourth Proportional to 2,924.20, 4,386.30 and 2,732.20

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Solution

The fourth proportional to 2,924.20, 4,386.30 and 2,732.20 is: 4,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.20 : 4,386.30 = 2,732.20 : x
  2. Step 2: Convert to fraction form
    2,924.20/4,386.30 = 2,732.20/x
  3. Step 3: Cross multiply
    2,924.20x = 4,386.30 × 2,732.20
  4. Step 4: Simplify right side
    2,924.20x = 11,984,248.86
  5. Step 5: Solve for x
    x = 11,984,248.86/2,924.20
  6. Step 6: Final answer
    x = 4,098.30

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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.