Home / 1,766.23-2,436.90-1,103.75

Finding the Fourth Proportional to 1,766.23, 2,436.90 and 1,103.75

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Solution

The fourth proportional to 1,766.23, 2,436.90 and 1,103.75 is: 1,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.23 : 2,436.90 = 1,103.75 : x
  2. Step 2: Convert to fraction form
    1,766.23/2,436.90 = 1,103.75/x
  3. Step 3: Cross multiply
    1,766.23x = 2,436.90 × 1,103.75
  4. Step 4: Simplify right side
    1,766.23x = 2,689,734.47
  5. Step 5: Solve for x
    x = 2,689,734.47/1,766.23
  6. Step 6: Final answer
    x = 1,522.87

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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.