Home / 3,330.19-4,589.49-2,489.41

Finding the Fourth Proportional to 3,330.19, 4,589.49 and 2,489.41

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Solution

The fourth proportional to 3,330.19, 4,589.49 and 2,489.41 is: 3,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.19 : 4,589.49 = 2,489.41 : x
  2. Step 2: Convert to fraction form
    3,330.19/4,589.49 = 2,489.41/x
  3. Step 3: Cross multiply
    3,330.19x = 4,589.49 × 2,489.41
  4. Step 4: Simplify right side
    3,330.19x = 11,425,122.30
  5. Step 5: Solve for x
    x = 11,425,122.30/3,330.19
  6. Step 6: Final answer
    x = 3,430.77

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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.