Home / 1,927.29-2,886.84-1,377.81

Finding the Fourth Proportional to 1,927.29, 2,886.84 and 1,377.81

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Solution

The fourth proportional to 1,927.29, 2,886.84 and 1,377.81 is: 2,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.29 : 2,886.84 = 1,377.81 : x
  2. Step 2: Convert to fraction form
    1,927.29/2,886.84 = 1,377.81/x
  3. Step 3: Cross multiply
    1,927.29x = 2,886.84 × 1,377.81
  4. Step 4: Simplify right side
    1,927.29x = 3,977,517.02
  5. Step 5: Solve for x
    x = 3,977,517.02/1,927.29
  6. Step 6: Final answer
    x = 2,063.78

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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.