Home / 2,228.60-3,088.46-2,197.28

Finding the Fourth Proportional to 2,228.60, 3,088.46 and 2,197.28

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Solution

The fourth proportional to 2,228.60, 3,088.46 and 2,197.28 is: 3,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.60 : 3,088.46 = 2,197.28 : x
  2. Step 2: Convert to fraction form
    2,228.60/3,088.46 = 2,197.28/x
  3. Step 3: Cross multiply
    2,228.60x = 3,088.46 × 2,197.28
  4. Step 4: Simplify right side
    2,228.60x = 6,786,211.39
  5. Step 5: Solve for x
    x = 6,786,211.39/2,228.60
  6. Step 6: Final answer
    x = 3,045.06

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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.