Home / 3,321.52-4,582.92-2,142.88

Finding the Fourth Proportional to 3,321.52, 4,582.92 and 2,142.88

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Solution

The fourth proportional to 3,321.52, 4,582.92 and 2,142.88 is: 2,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.52 : 4,582.92 = 2,142.88 : x
  2. Step 2: Convert to fraction form
    3,321.52/4,582.92 = 2,142.88/x
  3. Step 3: Cross multiply
    3,321.52x = 4,582.92 × 2,142.88
  4. Step 4: Simplify right side
    3,321.52x = 9,820,647.61
  5. Step 5: Solve for x
    x = 9,820,647.61/3,321.52
  6. Step 6: Final answer
    x = 2,956.67

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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.