Home / 2,147.93-2,964.07-1,251.82

Finding the Fourth Proportional to 2,147.93, 2,964.07 and 1,251.82

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Solution

The fourth proportional to 2,147.93, 2,964.07 and 1,251.82 is: 1,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.93 : 2,964.07 = 1,251.82 : x
  2. Step 2: Convert to fraction form
    2,147.93/2,964.07 = 1,251.82/x
  3. Step 3: Cross multiply
    2,147.93x = 2,964.07 × 1,251.82
  4. Step 4: Simplify right side
    2,147.93x = 3,710,487.38
  5. Step 5: Solve for x
    x = 3,710,487.38/2,147.93
  6. Step 6: Final answer
    x = 1,727.47

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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.