Home / 3,099.13-4,648.69-2,479.92

Finding the Fourth Proportional to 3,099.13, 4,648.69 and 2,479.92

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Solution

The fourth proportional to 3,099.13, 4,648.69 and 2,479.92 is: 3,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.13 : 4,648.69 = 2,479.92 : x
  2. Step 2: Convert to fraction form
    3,099.13/4,648.69 = 2,479.92/x
  3. Step 3: Cross multiply
    3,099.13x = 4,648.69 × 2,479.92
  4. Step 4: Simplify right side
    3,099.13x = 11,528,364.97
  5. Step 5: Solve for x
    x = 11,528,364.97/3,099.13
  6. Step 6: Final answer
    x = 3,719.87

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1.5x scale

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.