Home / 3,281.44-4,926.90-2,174.20

Finding the Fourth Proportional to 3,281.44, 4,926.90 and 2,174.20

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Solution

The fourth proportional to 3,281.44, 4,926.90 and 2,174.20 is: 3,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.44 : 4,926.90 = 2,174.20 : x
  2. Step 2: Convert to fraction form
    3,281.44/4,926.90 = 2,174.20/x
  3. Step 3: Cross multiply
    3,281.44x = 4,926.90 × 2,174.20
  4. Step 4: Simplify right side
    3,281.44x = 10,712,065.98
  5. Step 5: Solve for x
    x = 10,712,065.98/3,281.44
  6. Step 6: Final answer
    x = 3,264.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.