Home / 4,003.80-5,524.30-2,431.59

Finding the Fourth Proportional to 4,003.80, 5,524.30 and 2,431.59

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Solution

The fourth proportional to 4,003.80, 5,524.30 and 2,431.59 is: 3,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.80 : 5,524.30 = 2,431.59 : x
  2. Step 2: Convert to fraction form
    4,003.80/5,524.30 = 2,431.59/x
  3. Step 3: Cross multiply
    4,003.80x = 5,524.30 × 2,431.59
  4. Step 4: Simplify right side
    4,003.80x = 13,432,832.64
  5. Step 5: Solve for x
    x = 13,432,832.64/4,003.80
  6. Step 6: Final answer
    x = 3,355.02

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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.