Home / 4,040.78-5,576.09-2,272.34

Finding the Fourth Proportional to 4,040.78, 5,576.09 and 2,272.34

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Solution

The fourth proportional to 4,040.78, 5,576.09 and 2,272.34 is: 3,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.78 : 5,576.09 = 2,272.34 : x
  2. Step 2: Convert to fraction form
    4,040.78/5,576.09 = 2,272.34/x
  3. Step 3: Cross multiply
    4,040.78x = 5,576.09 × 2,272.34
  4. Step 4: Simplify right side
    4,040.78x = 12,670,733.11
  5. Step 5: Solve for x
    x = 12,670,733.11/4,040.78
  6. Step 6: Final answer
    x = 3,135.72

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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.