Home / 3,523.72-4,851.66-2,991.50

Finding the Fourth Proportional to 3,523.72, 4,851.66 and 2,991.50

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Solution

The fourth proportional to 3,523.72, 4,851.66 and 2,991.50 is: 4,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.72 : 4,851.66 = 2,991.50 : x
  2. Step 2: Convert to fraction form
    3,523.72/4,851.66 = 2,991.50/x
  3. Step 3: Cross multiply
    3,523.72x = 4,851.66 × 2,991.50
  4. Step 4: Simplify right side
    3,523.72x = 14,513,740.89
  5. Step 5: Solve for x
    x = 14,513,740.89/3,523.72
  6. Step 6: Final answer
    x = 4,118.87

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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.