Home / 3,523.71-4,851.65-2,991.49

Finding the Fourth Proportional to 3,523.71, 4,851.65 and 2,991.49

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Solution

The fourth proportional to 3,523.71, 4,851.65 and 2,991.49 is: 4,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.71 : 4,851.65 = 2,991.49 : x
  2. Step 2: Convert to fraction form
    3,523.71/4,851.65 = 2,991.49/x
  3. Step 3: Cross multiply
    3,523.71x = 4,851.65 × 2,991.49
  4. Step 4: Simplify right side
    3,523.71x = 14,513,630.72
  5. Step 5: Solve for x
    x = 14,513,630.72/3,523.71
  6. Step 6: Final answer
    x = 4,118.86

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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.