Home / 3,033.41-4,543.98-1,387.69

Finding the Fourth Proportional to 3,033.41, 4,543.98 and 1,387.69

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Solution

The fourth proportional to 3,033.41, 4,543.98 and 1,387.69 is: 2,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.41 : 4,543.98 = 1,387.69 : x
  2. Step 2: Convert to fraction form
    3,033.41/4,543.98 = 1,387.69/x
  3. Step 3: Cross multiply
    3,033.41x = 4,543.98 × 1,387.69
  4. Step 4: Simplify right side
    3,033.41x = 6,305,635.61
  5. Step 5: Solve for x
    x = 6,305,635.61/3,033.41
  6. Step 6: Final answer
    x = 2,078.73

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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.