Home / 1,705.29-2,557.11-1,184.85

Finding the Fourth Proportional to 1,705.29, 2,557.11 and 1,184.85

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Solution

The fourth proportional to 1,705.29, 2,557.11 and 1,184.85 is: 1,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.29 : 2,557.11 = 1,184.85 : x
  2. Step 2: Convert to fraction form
    1,705.29/2,557.11 = 1,184.85/x
  3. Step 3: Cross multiply
    1,705.29x = 2,557.11 × 1,184.85
  4. Step 4: Simplify right side
    1,705.29x = 3,029,791.78
  5. Step 5: Solve for x
    x = 3,029,791.78/1,705.29
  6. Step 6: Final answer
    x = 1,776.70

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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.