Home / 4,220.88-5,825.19-2,542.80

Finding the Fourth Proportional to 4,220.88, 5,825.19 and 2,542.80

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Solution

The fourth proportional to 4,220.88, 5,825.19 and 2,542.80 is: 3,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.88 : 5,825.19 = 2,542.80 : x
  2. Step 2: Convert to fraction form
    4,220.88/5,825.19 = 2,542.80/x
  3. Step 3: Cross multiply
    4,220.88x = 5,825.19 × 2,542.80
  4. Step 4: Simplify right side
    4,220.88x = 14,812,293.13
  5. Step 5: Solve for x
    x = 14,812,293.13/4,220.88
  6. Step 6: Final answer
    x = 3,509.29

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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.