Home / 3,478.91-4,800.89-2,063.57

Finding the Fourth Proportional to 3,478.91, 4,800.89 and 2,063.57

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Solution

The fourth proportional to 3,478.91, 4,800.89 and 2,063.57 is: 2,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.91 : 4,800.89 = 2,063.57 : x
  2. Step 2: Convert to fraction form
    3,478.91/4,800.89 = 2,063.57/x
  3. Step 3: Cross multiply
    3,478.91x = 4,800.89 × 2,063.57
  4. Step 4: Simplify right side
    3,478.91x = 9,906,962.26
  5. Step 5: Solve for x
    x = 9,906,962.26/3,478.91
  6. Step 6: Final answer
    x = 2,847.72

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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.