Home / 3,937.08-5,432.97-2,168.35

Finding the Fourth Proportional to 3,937.08, 5,432.97 and 2,168.35

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Solution

The fourth proportional to 3,937.08, 5,432.97 and 2,168.35 is: 2,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.08 : 5,432.97 = 2,168.35 : x
  2. Step 2: Convert to fraction form
    3,937.08/5,432.97 = 2,168.35/x
  3. Step 3: Cross multiply
    3,937.08x = 5,432.97 × 2,168.35
  4. Step 4: Simplify right side
    3,937.08x = 11,780,580.50
  5. Step 5: Solve for x
    x = 11,780,580.50/3,937.08
  6. Step 6: Final answer
    x = 2,992.21

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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.