Home / 2,103.20-3,154.78-1,006.95

Finding the Fourth Proportional to 2,103.20, 3,154.78 and 1,006.95

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Solution

The fourth proportional to 2,103.20, 3,154.78 and 1,006.95 is: 1,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.20 : 3,154.78 = 1,006.95 : x
  2. Step 2: Convert to fraction form
    2,103.20/3,154.78 = 1,006.95/x
  3. Step 3: Cross multiply
    2,103.20x = 3,154.78 × 1,006.95
  4. Step 4: Simplify right side
    2,103.20x = 3,176,700.69
  5. Step 5: Solve for x
    x = 3,176,700.69/2,103.20
  6. Step 6: Final answer
    x = 1,510.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.