Home / 1,857.67-2,563.96-1,071.61

Finding the Fourth Proportional to 1,857.67, 2,563.96 and 1,071.61

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Solution

The fourth proportional to 1,857.67, 2,563.96 and 1,071.61 is: 1,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.67 : 2,563.96 = 1,071.61 : x
  2. Step 2: Convert to fraction form
    1,857.67/2,563.96 = 1,071.61/x
  3. Step 3: Cross multiply
    1,857.67x = 2,563.96 × 1,071.61
  4. Step 4: Simplify right side
    1,857.67x = 2,747,552.36
  5. Step 5: Solve for x
    x = 2,747,552.36/1,857.67
  6. Step 6: Final answer
    x = 1,479.04

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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.