Home / 3,011.08-4,478.78-2,763.22

Finding the Fourth Proportional to 3,011.08, 4,478.78 and 2,763.22

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Solution

The fourth proportional to 3,011.08, 4,478.78 and 2,763.22 is: 4,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.08 : 4,478.78 = 2,763.22 : x
  2. Step 2: Convert to fraction form
    3,011.08/4,478.78 = 2,763.22/x
  3. Step 3: Cross multiply
    3,011.08x = 4,478.78 × 2,763.22
  4. Step 4: Simplify right side
    3,011.08x = 12,375,854.47
  5. Step 5: Solve for x
    x = 12,375,854.47/3,011.08
  6. Step 6: Final answer
    x = 4,110.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.