Home / 1,863.13-2,788.21-1,756.61

Finding the Fourth Proportional to 1,863.13, 2,788.21 and 1,756.61

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Solution

The fourth proportional to 1,863.13, 2,788.21 and 1,756.61 is: 2,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.13 : 2,788.21 = 1,756.61 : x
  2. Step 2: Convert to fraction form
    1,863.13/2,788.21 = 1,756.61/x
  3. Step 3: Cross multiply
    1,863.13x = 2,788.21 × 1,756.61
  4. Step 4: Simplify right side
    1,863.13x = 4,897,793.18
  5. Step 5: Solve for x
    x = 4,897,793.18/1,863.13
  6. Step 6: Final answer
    x = 2,628.81

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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.