Home / 2,277.22-3,155.17-2,228.02

Finding the Fourth Proportional to 2,277.22, 3,155.17 and 2,228.02

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Solution

The fourth proportional to 2,277.22, 3,155.17 and 2,228.02 is: 3,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.22 : 3,155.17 = 2,228.02 : x
  2. Step 2: Convert to fraction form
    2,277.22/3,155.17 = 2,228.02/x
  3. Step 3: Cross multiply
    2,277.22x = 3,155.17 × 2,228.02
  4. Step 4: Simplify right side
    2,277.22x = 7,029,781.86
  5. Step 5: Solve for x
    x = 7,029,781.86/2,277.22
  6. Step 6: Final answer
    x = 3,087.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.