Home / 4,003.88-5,525.38-2,235.40

Finding the Fourth Proportional to 4,003.88, 5,525.38 and 2,235.40

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Solution

The fourth proportional to 4,003.88, 5,525.38 and 2,235.40 is: 3,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.88 : 5,525.38 = 2,235.40 : x
  2. Step 2: Convert to fraction form
    4,003.88/5,525.38 = 2,235.40/x
  3. Step 3: Cross multiply
    4,003.88x = 5,525.38 × 2,235.40
  4. Step 4: Simplify right side
    4,003.88x = 12,351,434.45
  5. Step 5: Solve for x
    x = 12,351,434.45/4,003.88
  6. Step 6: Final answer
    x = 3,084.87

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Half scale
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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.