Home / 3,378.36-4,666.20-2,542.80

Finding the Fourth Proportional to 3,378.36, 4,666.20 and 2,542.80

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Solution

The fourth proportional to 3,378.36, 4,666.20 and 2,542.80 is: 3,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.36 : 4,666.20 = 2,542.80 : x
  2. Step 2: Convert to fraction form
    3,378.36/4,666.20 = 2,542.80/x
  3. Step 3: Cross multiply
    3,378.36x = 4,666.20 × 2,542.80
  4. Step 4: Simplify right side
    3,378.36x = 11,865,213.36
  5. Step 5: Solve for x
    x = 11,865,213.36/3,378.36
  6. Step 6: Final answer
    x = 3,512.12

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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.