Home / 3,451.44-5,171.02-1,445.71

Finding the Fourth Proportional to 3,451.44, 5,171.02 and 1,445.71

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Solution

The fourth proportional to 3,451.44, 5,171.02 and 1,445.71 is: 2,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.44 : 5,171.02 = 1,445.71 : x
  2. Step 2: Convert to fraction form
    3,451.44/5,171.02 = 1,445.71/x
  3. Step 3: Cross multiply
    3,451.44x = 5,171.02 × 1,445.71
  4. Step 4: Simplify right side
    3,451.44x = 7,475,792.95
  5. Step 5: Solve for x
    x = 7,475,792.95/3,451.44
  6. Step 6: Final answer
    x = 2,165.99

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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.