Home / 1,871.38-2,804.67-1,049.62

Finding the Fourth Proportional to 1,871.38, 2,804.67 and 1,049.62

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Solution

The fourth proportional to 1,871.38, 2,804.67 and 1,049.62 is: 1,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.38 : 2,804.67 = 1,049.62 : x
  2. Step 2: Convert to fraction form
    1,871.38/2,804.67 = 1,049.62/x
  3. Step 3: Cross multiply
    1,871.38x = 2,804.67 × 1,049.62
  4. Step 4: Simplify right side
    1,871.38x = 2,943,837.73
  5. Step 5: Solve for x
    x = 2,943,837.73/1,871.38
  6. Step 6: Final answer
    x = 1,573.08

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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.