Home / 3,802.22-5,240.78-2,542.80

Finding the Fourth Proportional to 3,802.22, 5,240.78 and 2,542.80

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Solution

The fourth proportional to 3,802.22, 5,240.78 and 2,542.80 is: 3,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.22 : 5,240.78 = 2,542.80 : x
  2. Step 2: Convert to fraction form
    3,802.22/5,240.78 = 2,542.80/x
  3. Step 3: Cross multiply
    3,802.22x = 5,240.78 × 2,542.80
  4. Step 4: Simplify right side
    3,802.22x = 13,326,242.67
  5. Step 5: Solve for x
    x = 13,326,242.67/3,802.22
  6. Step 6: Final answer
    x = 3,504.86

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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.