Home / 4,008.72-5,531.88-2,240.28

Finding the Fourth Proportional to 4,008.72, 5,531.88 and 2,240.28

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Solution

The fourth proportional to 4,008.72, 5,531.88 and 2,240.28 is: 3,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.72 : 5,531.88 = 2,240.28 : x
  2. Step 2: Convert to fraction form
    4,008.72/5,531.88 = 2,240.28/x
  3. Step 3: Cross multiply
    4,008.72x = 5,531.88 × 2,240.28
  4. Step 4: Simplify right side
    4,008.72x = 12,392,960.13
  5. Step 5: Solve for x
    x = 12,392,960.13/4,008.72
  6. Step 6: Final answer
    x = 3,091.50

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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.