Home / 3,281.31-4,523.45-2,493.99

Finding the Fourth Proportional to 3,281.31, 4,523.45 and 2,493.99

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Solution

The fourth proportional to 3,281.31, 4,523.45 and 2,493.99 is: 3,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.31 : 4,523.45 = 2,493.99 : x
  2. Step 2: Convert to fraction form
    3,281.31/4,523.45 = 2,493.99/x
  3. Step 3: Cross multiply
    3,281.31x = 4,523.45 × 2,493.99
  4. Step 4: Simplify right side
    3,281.31x = 11,281,426.60
  5. Step 5: Solve for x
    x = 11,281,426.60/3,281.31
  6. Step 6: Final answer
    x = 3,438.09

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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.