Home / 3,542.20-4,888.74-2,216.68

Finding the Fourth Proportional to 3,542.20, 4,888.74 and 2,216.68

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Solution

The fourth proportional to 3,542.20, 4,888.74 and 2,216.68 is: 3,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.20 : 4,888.74 = 2,216.68 : x
  2. Step 2: Convert to fraction form
    3,542.20/4,888.74 = 2,216.68/x
  3. Step 3: Cross multiply
    3,542.20x = 4,888.74 × 2,216.68
  4. Step 4: Simplify right side
    3,542.20x = 10,836,772.18
  5. Step 5: Solve for x
    x = 10,836,772.18/3,542.20
  6. Step 6: Final answer
    x = 3,059.33

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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.