Home / 4,184.72-5,775.12-2,321.76

Finding the Fourth Proportional to 4,184.72, 5,775.12 and 2,321.76

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Solution

The fourth proportional to 4,184.72, 5,775.12 and 2,321.76 is: 3,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.72 : 5,775.12 = 2,321.76 : x
  2. Step 2: Convert to fraction form
    4,184.72/5,775.12 = 2,321.76/x
  3. Step 3: Cross multiply
    4,184.72x = 5,775.12 × 2,321.76
  4. Step 4: Simplify right side
    4,184.72x = 13,408,442.61
  5. Step 5: Solve for x
    x = 13,408,442.61/4,184.72
  6. Step 6: Final answer
    x = 3,204.14

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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.