Home / 3,937.10-5,432.99-2,168.37

Finding the Fourth Proportional to 3,937.10, 5,432.99 and 2,168.37

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Solution

The fourth proportional to 3,937.10, 5,432.99 and 2,168.37 is: 2,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.10 : 5,432.99 = 2,168.37 : x
  2. Step 2: Convert to fraction form
    3,937.10/5,432.99 = 2,168.37/x
  3. Step 3: Cross multiply
    3,937.10x = 5,432.99 × 2,168.37
  4. Step 4: Simplify right side
    3,937.10x = 11,780,721.68
  5. Step 5: Solve for x
    x = 11,780,721.68/3,937.10
  6. Step 6: Final answer
    x = 2,992.24

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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.