Home / 1,881.83-2,596.97-1,042.61

Finding the Fourth Proportional to 1,881.83, 2,596.97 and 1,042.61

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Solution

The fourth proportional to 1,881.83, 2,596.97 and 1,042.61 is: 1,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.83 : 2,596.97 = 1,042.61 : x
  2. Step 2: Convert to fraction form
    1,881.83/2,596.97 = 1,042.61/x
  3. Step 3: Cross multiply
    1,881.83x = 2,596.97 × 1,042.61
  4. Step 4: Simplify right side
    1,881.83x = 2,707,616.51
  5. Step 5: Solve for x
    x = 2,707,616.51/1,881.83
  6. Step 6: Final answer
    x = 1,438.82

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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.