Home / 3,391.23-4,679.99-2,064.90

Finding the Fourth Proportional to 3,391.23, 4,679.99 and 2,064.90

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Solution

The fourth proportional to 3,391.23, 4,679.99 and 2,064.90 is: 2,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.23 : 4,679.99 = 2,064.90 : x
  2. Step 2: Convert to fraction form
    3,391.23/4,679.99 = 2,064.90/x
  3. Step 3: Cross multiply
    3,391.23x = 4,679.99 × 2,064.90
  4. Step 4: Simplify right side
    3,391.23x = 9,663,711.35
  5. Step 5: Solve for x
    x = 9,663,711.35/3,391.23
  6. Step 6: Final answer
    x = 2,849.62

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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.