Home / 3,378.88-4,682.70-3,331.92

Finding the Fourth Proportional to 3,378.88, 4,682.70 and 3,331.92

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Solution

The fourth proportional to 3,378.88, 4,682.70 and 3,331.92 is: 4,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.88 : 4,682.70 = 3,331.92 : x
  2. Step 2: Convert to fraction form
    3,378.88/4,682.70 = 3,331.92/x
  3. Step 3: Cross multiply
    3,378.88x = 4,682.70 × 3,331.92
  4. Step 4: Simplify right side
    3,378.88x = 15,602,381.78
  5. Step 5: Solve for x
    x = 15,602,381.78/3,378.88
  6. Step 6: Final answer
    x = 4,617.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.