Home / 2,258.28-3,380.40-2,066.88

Finding the Fourth Proportional to 2,258.28, 3,380.40 and 2,066.88

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Solution

The fourth proportional to 2,258.28, 3,380.40 and 2,066.88 is: 3,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.28 : 3,380.40 = 2,066.88 : x
  2. Step 2: Convert to fraction form
    2,258.28/3,380.40 = 2,066.88/x
  3. Step 3: Cross multiply
    2,258.28x = 3,380.40 × 2,066.88
  4. Step 4: Simplify right side
    2,258.28x = 6,986,881.15
  5. Step 5: Solve for x
    x = 6,986,881.15/2,258.28
  6. Step 6: Final answer
    x = 3,093.89

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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.