Home / 4,020.79-5,548.70-2,252.42

Finding the Fourth Proportional to 4,020.79, 5,548.70 and 2,252.42

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Solution

The fourth proportional to 4,020.79, 5,548.70 and 2,252.42 is: 3,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.79 : 5,548.70 = 2,252.42 : x
  2. Step 2: Convert to fraction form
    4,020.79/5,548.70 = 2,252.42/x
  3. Step 3: Cross multiply
    4,020.79x = 5,548.70 × 2,252.42
  4. Step 4: Simplify right side
    4,020.79x = 12,498,002.85
  5. Step 5: Solve for x
    x = 12,498,002.85/4,020.79
  6. Step 6: Final answer
    x = 3,108.35

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Half scale
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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.