Home / 2,207.07-3,046.02-1,275.57

Finding the Fourth Proportional to 2,207.07, 3,046.02 and 1,275.57

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Solution

The fourth proportional to 2,207.07, 3,046.02 and 1,275.57 is: 1,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.07 : 3,046.02 = 1,275.57 : x
  2. Step 2: Convert to fraction form
    2,207.07/3,046.02 = 1,275.57/x
  3. Step 3: Cross multiply
    2,207.07x = 3,046.02 × 1,275.57
  4. Step 4: Simplify right side
    2,207.07x = 3,885,411.73
  5. Step 5: Solve for x
    x = 3,885,411.73/2,207.07
  6. Step 6: Final answer
    x = 1,760.44

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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.