Home / 3,508.61-4,839.71-2,091.34

Finding the Fourth Proportional to 3,508.61, 4,839.71 and 2,091.34

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Solution

The fourth proportional to 3,508.61, 4,839.71 and 2,091.34 is: 2,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.61 : 4,839.71 = 2,091.34 : x
  2. Step 2: Convert to fraction form
    3,508.61/4,839.71 = 2,091.34/x
  3. Step 3: Cross multiply
    3,508.61x = 4,839.71 × 2,091.34
  4. Step 4: Simplify right side
    3,508.61x = 10,121,479.11
  5. Step 5: Solve for x
    x = 10,121,479.11/3,508.61
  6. Step 6: Final answer
    x = 2,884.76

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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.