Home / 3,642.75-5,464.94-1,451.43

Finding the Fourth Proportional to 3,642.75, 5,464.94 and 1,451.43

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Solution

The fourth proportional to 3,642.75, 5,464.94 and 1,451.43 is: 2,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.75 : 5,464.94 = 1,451.43 : x
  2. Step 2: Convert to fraction form
    3,642.75/5,464.94 = 1,451.43/x
  3. Step 3: Cross multiply
    3,642.75x = 5,464.94 × 1,451.43
  4. Step 4: Simplify right side
    3,642.75x = 7,931,970.61
  5. Step 5: Solve for x
    x = 7,931,970.61/3,642.75
  6. Step 6: Final answer
    x = 2,177.47

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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.