Home / 4,040.05-5,575.79-2,272.00

Finding the Fourth Proportional to 4,040.05, 5,575.79 and 2,272.00

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Solution

The fourth proportional to 4,040.05, 5,575.79 and 2,272.00 is: 3,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.05 : 5,575.79 = 2,272.00 : x
  2. Step 2: Convert to fraction form
    4,040.05/5,575.79 = 2,272.00/x
  3. Step 3: Cross multiply
    4,040.05x = 5,575.79 × 2,272.00
  4. Step 4: Simplify right side
    4,040.05x = 12,668,169.58
  5. Step 5: Solve for x
    x = 12,668,169.58/4,040.05
  6. Step 6: Final answer
    x = 3,135.65

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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.