Home / 2,285.82-3,154.44-1,237.88

Finding the Fourth Proportional to 2,285.82, 3,154.44 and 1,237.88

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Solution

The fourth proportional to 2,285.82, 3,154.44 and 1,237.88 is: 1,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.82 : 3,154.44 = 1,237.88 : x
  2. Step 2: Convert to fraction form
    2,285.82/3,154.44 = 1,237.88/x
  3. Step 3: Cross multiply
    2,285.82x = 3,154.44 × 1,237.88
  4. Step 4: Simplify right side
    2,285.82x = 3,904,818.19
  5. Step 5: Solve for x
    x = 3,904,818.19/2,285.82
  6. Step 6: Final answer
    x = 1,708.28

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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.