Home / 3,252.78-4,488.89-2,190.87

Finding the Fourth Proportional to 3,252.78, 4,488.89 and 2,190.87

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Solution

The fourth proportional to 3,252.78, 4,488.89 and 2,190.87 is: 3,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.78 : 4,488.89 = 2,190.87 : x
  2. Step 2: Convert to fraction form
    3,252.78/4,488.89 = 2,190.87/x
  3. Step 3: Cross multiply
    3,252.78x = 4,488.89 × 2,190.87
  4. Step 4: Simplify right side
    3,252.78x = 9,834,563.48
  5. Step 5: Solve for x
    x = 9,834,563.48/3,252.78
  6. Step 6: Final answer
    x = 3,023.43

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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.