Home / 3,036.10-4,550.90-2,167.78

Finding the Fourth Proportional to 3,036.10, 4,550.90 and 2,167.78

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Solution

The fourth proportional to 3,036.10, 4,550.90 and 2,167.78 is: 3,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.10 : 4,550.90 = 2,167.78 : x
  2. Step 2: Convert to fraction form
    3,036.10/4,550.90 = 2,167.78/x
  3. Step 3: Cross multiply
    3,036.10x = 4,550.90 × 2,167.78
  4. Step 4: Simplify right side
    3,036.10x = 9,865,344.04
  5. Step 5: Solve for x
    x = 9,865,344.04/3,036.10
  6. Step 6: Final answer
    x = 3,249.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.