Home / 2,060.11-2,842.94-1,128.61

Finding the Fourth Proportional to 2,060.11, 2,842.94 and 1,128.61

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Solution

The fourth proportional to 2,060.11, 2,842.94 and 1,128.61 is: 1,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.11 : 2,842.94 = 1,128.61 : x
  2. Step 2: Convert to fraction form
    2,060.11/2,842.94 = 1,128.61/x
  3. Step 3: Cross multiply
    2,060.11x = 2,842.94 × 1,128.61
  4. Step 4: Simplify right side
    2,060.11x = 3,208,550.66
  5. Step 5: Solve for x
    x = 3,208,550.66/2,060.11
  6. Step 6: Final answer
    x = 1,557.47

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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.