Home / 2,276.97-3,416.26-891.30

Finding the Fourth Proportional to 2,276.97, 3,416.26 and 891.30

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Solution

The fourth proportional to 2,276.97, 3,416.26 and 891.30 is: 1,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.97 : 3,416.26 = 891.30 : x
  2. Step 2: Convert to fraction form
    2,276.97/3,416.26 = 891.30/x
  3. Step 3: Cross multiply
    2,276.97x = 3,416.26 × 891.30
  4. Step 4: Simplify right side
    2,276.97x = 3,044,912.54
  5. Step 5: Solve for x
    x = 3,044,912.54/2,276.97
  6. Step 6: Final answer
    x = 1,337.27

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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.