Home / 2,207.37-3,046.45-1,275.87

Finding the Fourth Proportional to 2,207.37, 3,046.45 and 1,275.87

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Solution

The fourth proportional to 2,207.37, 3,046.45 and 1,275.87 is: 1,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.37 : 3,046.45 = 1,275.87 : x
  2. Step 2: Convert to fraction form
    2,207.37/3,046.45 = 1,275.87/x
  3. Step 3: Cross multiply
    2,207.37x = 3,046.45 × 1,275.87
  4. Step 4: Simplify right side
    2,207.37x = 3,886,867.78
  5. Step 5: Solve for x
    x = 3,886,867.78/2,207.37
  6. Step 6: Final answer
    x = 1,760.86

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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.