Home / 3,936.93-5,432.61-2,445.24

Finding the Fourth Proportional to 3,936.93, 5,432.61 and 2,445.24

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Solution

The fourth proportional to 3,936.93, 5,432.61 and 2,445.24 is: 3,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.93 : 5,432.61 = 2,445.24 : x
  2. Step 2: Convert to fraction form
    3,936.93/5,432.61 = 2,445.24/x
  3. Step 3: Cross multiply
    3,936.93x = 5,432.61 × 2,445.24
  4. Step 4: Simplify right side
    3,936.93x = 13,284,035.28
  5. Step 5: Solve for x
    x = 13,284,035.28/3,936.93
  6. Step 6: Final answer
    x = 3,374.21

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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.