Home / 2,276.30-3,414.51-889.58

Finding the Fourth Proportional to 2,276.30, 3,414.51 and 889.58

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Solution

The fourth proportional to 2,276.30, 3,414.51 and 889.58 is: 1,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.30 : 3,414.51 = 889.58 : x
  2. Step 2: Convert to fraction form
    2,276.30/3,414.51 = 889.58/x
  3. Step 3: Cross multiply
    2,276.30x = 3,414.51 × 889.58
  4. Step 4: Simplify right side
    2,276.30x = 3,037,479.81
  5. Step 5: Solve for x
    x = 3,037,479.81/2,276.30
  6. Step 6: Final answer
    x = 1,334.39

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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.