Home / 2,275.11-3,410.55-889.38

Finding the Fourth Proportional to 2,275.11, 3,410.55 and 889.38

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Solution

The fourth proportional to 2,275.11, 3,410.55 and 889.38 is: 1,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.11 : 3,410.55 = 889.38 : x
  2. Step 2: Convert to fraction form
    2,275.11/3,410.55 = 889.38/x
  3. Step 3: Cross multiply
    2,275.11x = 3,410.55 × 889.38
  4. Step 4: Simplify right side
    2,275.11x = 3,033,274.96
  5. Step 5: Solve for x
    x = 3,033,274.96/2,275.11
  6. Step 6: Final answer
    x = 1,333.24

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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.