Home / 3,874.80-5,347.71-2,382.93

Finding the Fourth Proportional to 3,874.80, 5,347.71 and 2,382.93

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Solution

The fourth proportional to 3,874.80, 5,347.71 and 2,382.93 is: 3,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.80 : 5,347.71 = 2,382.93 : x
  2. Step 2: Convert to fraction form
    3,874.80/5,347.71 = 2,382.93/x
  3. Step 3: Cross multiply
    3,874.80x = 5,347.71 × 2,382.93
  4. Step 4: Simplify right side
    3,874.80x = 12,743,218.59
  5. Step 5: Solve for x
    x = 12,743,218.59/3,874.80
  6. Step 6: Final answer
    x = 3,288.74

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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.