Home / 3,086.59-4,259.55-2,203.90

Finding the Fourth Proportional to 3,086.59, 4,259.55 and 2,203.90

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Solution

The fourth proportional to 3,086.59, 4,259.55 and 2,203.90 is: 3,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.59 : 4,259.55 = 2,203.90 : x
  2. Step 2: Convert to fraction form
    3,086.59/4,259.55 = 2,203.90/x
  3. Step 3: Cross multiply
    3,086.59x = 4,259.55 × 2,203.90
  4. Step 4: Simplify right side
    3,086.59x = 9,387,622.25
  5. Step 5: Solve for x
    x = 9,387,622.25/3,086.59
  6. Step 6: Final answer
    x = 3,041.42

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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.