Home / 3,008.20-4,510.68-1,622.28

Finding the Fourth Proportional to 3,008.20, 4,510.68 and 1,622.28

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Solution

The fourth proportional to 3,008.20, 4,510.68 and 1,622.28 is: 2,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.20 : 4,510.68 = 1,622.28 : x
  2. Step 2: Convert to fraction form
    3,008.20/4,510.68 = 1,622.28/x
  3. Step 3: Cross multiply
    3,008.20x = 4,510.68 × 1,622.28
  4. Step 4: Simplify right side
    3,008.20x = 7,317,585.95
  5. Step 5: Solve for x
    x = 7,317,585.95/3,008.20
  6. Step 6: Final answer
    x = 2,432.55

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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.