Home / 3,724.48-5,139.48-2,152.24

Finding the Fourth Proportional to 3,724.48, 5,139.48 and 2,152.24

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Solution

The fourth proportional to 3,724.48, 5,139.48 and 2,152.24 is: 2,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.48 : 5,139.48 = 2,152.24 : x
  2. Step 2: Convert to fraction form
    3,724.48/5,139.48 = 2,152.24/x
  3. Step 3: Cross multiply
    3,724.48x = 5,139.48 × 2,152.24
  4. Step 4: Simplify right side
    3,724.48x = 11,061,394.44
  5. Step 5: Solve for x
    x = 11,061,394.44/3,724.48
  6. Step 6: Final answer
    x = 2,969.92

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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.