Home / 4,040.28-5,575.86-2,272.05

Finding the Fourth Proportional to 4,040.28, 5,575.86 and 2,272.05

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Solution

The fourth proportional to 4,040.28, 5,575.86 and 2,272.05 is: 3,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.28 : 5,575.86 = 2,272.05 : x
  2. Step 2: Convert to fraction form
    4,040.28/5,575.86 = 2,272.05/x
  3. Step 3: Cross multiply
    4,040.28x = 5,575.86 × 2,272.05
  4. Step 4: Simplify right side
    4,040.28x = 12,668,632.71
  5. Step 5: Solve for x
    x = 12,668,632.71/4,040.28
  6. Step 6: Final answer
    x = 3,135.58

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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.