Home / 2,206.64-3,045.15-1,275.14

Finding the Fourth Proportional to 2,206.64, 3,045.15 and 1,275.14

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Solution

The fourth proportional to 2,206.64, 3,045.15 and 1,275.14 is: 1,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.64 : 3,045.15 = 1,275.14 : x
  2. Step 2: Convert to fraction form
    2,206.64/3,045.15 = 1,275.14/x
  3. Step 3: Cross multiply
    2,206.64x = 3,045.15 × 1,275.14
  4. Step 4: Simplify right side
    2,206.64x = 3,882,992.57
  5. Step 5: Solve for x
    x = 3,882,992.57/2,206.64
  6. Step 6: Final answer
    x = 1,759.69

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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.