Home / 3,832.40-5,288.72-2,240.15

Finding the Fourth Proportional to 3,832.40, 5,288.72 and 2,240.15

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Solution

The fourth proportional to 3,832.40, 5,288.72 and 2,240.15 is: 3,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.40 : 5,288.72 = 2,240.15 : x
  2. Step 2: Convert to fraction form
    3,832.40/5,288.72 = 2,240.15/x
  3. Step 3: Cross multiply
    3,832.40x = 5,288.72 × 2,240.15
  4. Step 4: Simplify right side
    3,832.40x = 11,847,526.11
  5. Step 5: Solve for x
    x = 11,847,526.11/3,832.40
  6. Step 6: Final answer
    x = 3,091.41

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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.