Home / 2,658.20-3,667.97-1,479.11

Finding the Fourth Proportional to 2,658.20, 3,667.97 and 1,479.11

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Solution

The fourth proportional to 2,658.20, 3,667.97 and 1,479.11 is: 2,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.20 : 3,667.97 = 1,479.11 : x
  2. Step 2: Convert to fraction form
    2,658.20/3,667.97 = 1,479.11/x
  3. Step 3: Cross multiply
    2,658.20x = 3,667.97 × 1,479.11
  4. Step 4: Simplify right side
    2,658.20x = 5,425,323.71
  5. Step 5: Solve for x
    x = 5,425,323.71/2,658.20
  6. Step 6: Final answer
    x = 2,040.98

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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.