Home / 2,154.74-3,227.51-1,042.47

Finding the Fourth Proportional to 2,154.74, 3,227.51 and 1,042.47

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Solution

The fourth proportional to 2,154.74, 3,227.51 and 1,042.47 is: 1,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.74 : 3,227.51 = 1,042.47 : x
  2. Step 2: Convert to fraction form
    2,154.74/3,227.51 = 1,042.47/x
  3. Step 3: Cross multiply
    2,154.74x = 3,227.51 × 1,042.47
  4. Step 4: Simplify right side
    2,154.74x = 3,364,584.96
  5. Step 5: Solve for x
    x = 3,364,584.96/2,154.74
  6. Step 6: Final answer
    x = 1,561.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.