Home / 2,279.57-3,419.35-1,760.32

Finding the Fourth Proportional to 2,279.57, 3,419.35 and 1,760.32

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Solution

The fourth proportional to 2,279.57, 3,419.35 and 1,760.32 is: 2,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.57 : 3,419.35 = 1,760.32 : x
  2. Step 2: Convert to fraction form
    2,279.57/3,419.35 = 1,760.32/x
  3. Step 3: Cross multiply
    2,279.57x = 3,419.35 × 1,760.32
  4. Step 4: Simplify right side
    2,279.57x = 6,019,141.39
  5. Step 5: Solve for x
    x = 6,019,141.39/2,279.57
  6. Step 6: Final answer
    x = 2,640.48

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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.