Home / 2,252.32-3,107.78-1,308.22

Finding the Fourth Proportional to 2,252.32, 3,107.78 and 1,308.22

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Solution

The fourth proportional to 2,252.32, 3,107.78 and 1,308.22 is: 1,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.32 : 3,107.78 = 1,308.22 : x
  2. Step 2: Convert to fraction form
    2,252.32/3,107.78 = 1,308.22/x
  3. Step 3: Cross multiply
    2,252.32x = 3,107.78 × 1,308.22
  4. Step 4: Simplify right side
    2,252.32x = 4,065,659.95
  5. Step 5: Solve for x
    x = 4,065,659.95/2,252.32
  6. Step 6: Final answer
    x = 1,805.10

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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.