Home / 3,493.18-4,820.38-2,000.76

Finding the Fourth Proportional to 3,493.18, 4,820.38 and 2,000.76

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Solution

The fourth proportional to 3,493.18, 4,820.38 and 2,000.76 is: 2,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.18 : 4,820.38 = 2,000.76 : x
  2. Step 2: Convert to fraction form
    3,493.18/4,820.38 = 2,000.76/x
  3. Step 3: Cross multiply
    3,493.18x = 4,820.38 × 2,000.76
  4. Step 4: Simplify right side
    3,493.18x = 9,644,389.38
  5. Step 5: Solve for x
    x = 9,644,389.38/3,493.18
  6. Step 6: Final answer
    x = 2,760.92

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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.