Home / 2,251.18-3,107.01-1,455.49

Finding the Fourth Proportional to 2,251.18, 3,107.01 and 1,455.49

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Solution

The fourth proportional to 2,251.18, 3,107.01 and 1,455.49 is: 2,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.18 : 3,107.01 = 1,455.49 : x
  2. Step 2: Convert to fraction form
    2,251.18/3,107.01 = 1,455.49/x
  3. Step 3: Cross multiply
    2,251.18x = 3,107.01 × 1,455.49
  4. Step 4: Simplify right side
    2,251.18x = 4,522,221.98
  5. Step 5: Solve for x
    x = 4,522,221.98/2,251.18
  6. Step 6: Final answer
    x = 2,008.82

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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.