Home / 3,519.18-4,856.33-2,103.65

Finding the Fourth Proportional to 3,519.18, 4,856.33 and 2,103.65

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Solution

The fourth proportional to 3,519.18, 4,856.33 and 2,103.65 is: 2,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.18 : 4,856.33 = 2,103.65 : x
  2. Step 2: Convert to fraction form
    3,519.18/4,856.33 = 2,103.65/x
  3. Step 3: Cross multiply
    3,519.18x = 4,856.33 × 2,103.65
  4. Step 4: Simplify right side
    3,519.18x = 10,216,018.60
  5. Step 5: Solve for x
    x = 10,216,018.60/3,519.18
  6. Step 6: Final answer
    x = 2,902.95

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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.