Home / 3,057.80-4,217.60-2,590.08

Finding the Fourth Proportional to 3,057.80, 4,217.60 and 2,590.08

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Solution

The fourth proportional to 3,057.80, 4,217.60 and 2,590.08 is: 3,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.80 : 4,217.60 = 2,590.08 : x
  2. Step 2: Convert to fraction form
    3,057.80/4,217.60 = 2,590.08/x
  3. Step 3: Cross multiply
    3,057.80x = 4,217.60 × 2,590.08
  4. Step 4: Simplify right side
    3,057.80x = 10,923,921.41
  5. Step 5: Solve for x
    x = 10,923,921.41/3,057.80
  6. Step 6: Final answer
    x = 3,572.48

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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.