Home / 4,180.08-5,775.60-2,998.80

Finding the Fourth Proportional to 4,180.08, 5,775.60 and 2,998.80

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Solution

The fourth proportional to 4,180.08, 5,775.60 and 2,998.80 is: 4,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.08 : 5,775.60 = 2,998.80 : x
  2. Step 2: Convert to fraction form
    4,180.08/5,775.60 = 2,998.80/x
  3. Step 3: Cross multiply
    4,180.08x = 5,775.60 × 2,998.80
  4. Step 4: Simplify right side
    4,180.08x = 17,319,869.28
  5. Step 5: Solve for x
    x = 17,319,869.28/4,180.08
  6. Step 6: Final answer
    x = 4,143.43

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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.