Home / 3,008.72-4,151.52-1,682.43

Finding the Fourth Proportional to 3,008.72, 4,151.52 and 1,682.43

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Solution

The fourth proportional to 3,008.72, 4,151.52 and 1,682.43 is: 2,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.72 : 4,151.52 = 1,682.43 : x
  2. Step 2: Convert to fraction form
    3,008.72/4,151.52 = 1,682.43/x
  3. Step 3: Cross multiply
    3,008.72x = 4,151.52 × 1,682.43
  4. Step 4: Simplify right side
    3,008.72x = 6,984,641.79
  5. Step 5: Solve for x
    x = 6,984,641.79/3,008.72
  6. Step 6: Final answer
    x = 2,321.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.