Home / 2,296.19-3,168.79-1,248.26

Finding the Fourth Proportional to 2,296.19, 3,168.79 and 1,248.26

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Solution

The fourth proportional to 2,296.19, 3,168.79 and 1,248.26 is: 1,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.19 : 3,168.79 = 1,248.26 : x
  2. Step 2: Convert to fraction form
    2,296.19/3,168.79 = 1,248.26/x
  3. Step 3: Cross multiply
    2,296.19x = 3,168.79 × 1,248.26
  4. Step 4: Simplify right side
    2,296.19x = 3,955,454.84
  5. Step 5: Solve for x
    x = 3,955,454.84/2,296.19
  6. Step 6: Final answer
    x = 1,722.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.