Home / 2,251.09-3,107.45-1,367.18

Finding the Fourth Proportional to 2,251.09, 3,107.45 and 1,367.18

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Solution

The fourth proportional to 2,251.09, 3,107.45 and 1,367.18 is: 1,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.09 : 3,107.45 = 1,367.18 : x
  2. Step 2: Convert to fraction form
    2,251.09/3,107.45 = 1,367.18/x
  3. Step 3: Cross multiply
    2,251.09x = 3,107.45 × 1,367.18
  4. Step 4: Simplify right side
    2,251.09x = 4,248,421.12
  5. Step 5: Solve for x
    x = 4,248,421.12/2,251.09
  6. Step 6: Final answer
    x = 1,887.28

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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.