Home / 4,008.61-5,531.79-2,240.38

Finding the Fourth Proportional to 4,008.61, 5,531.79 and 2,240.38

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Solution

The fourth proportional to 4,008.61, 5,531.79 and 2,240.38 is: 3,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.61 : 5,531.79 = 2,240.38 : x
  2. Step 2: Convert to fraction form
    4,008.61/5,531.79 = 2,240.38/x
  3. Step 3: Cross multiply
    4,008.61x = 5,531.79 × 2,240.38
  4. Step 4: Simplify right side
    4,008.61x = 12,393,311.68
  5. Step 5: Solve for x
    x = 12,393,311.68/4,008.61
  6. Step 6: Final answer
    x = 3,091.67

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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.