Home / 3,724.19-5,138.99-2,232.07

Finding the Fourth Proportional to 3,724.19, 5,138.99 and 2,232.07

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Solution

The fourth proportional to 3,724.19, 5,138.99 and 2,232.07 is: 3,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.19 : 5,138.99 = 2,232.07 : x
  2. Step 2: Convert to fraction form
    3,724.19/5,138.99 = 2,232.07/x
  3. Step 3: Cross multiply
    3,724.19x = 5,138.99 × 2,232.07
  4. Step 4: Simplify right side
    3,724.19x = 11,470,585.41
  5. Step 5: Solve for x
    x = 11,470,585.41/3,724.19
  6. Step 6: Final answer
    x = 3,080.02

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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.