Home / 1,821.95-2,734.26-1,235.57

Finding the Fourth Proportional to 1,821.95, 2,734.26 and 1,235.57

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Solution

The fourth proportional to 1,821.95, 2,734.26 and 1,235.57 is: 1,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.95 : 2,734.26 = 1,235.57 : x
  2. Step 2: Convert to fraction form
    1,821.95/2,734.26 = 1,235.57/x
  3. Step 3: Cross multiply
    1,821.95x = 2,734.26 × 1,235.57
  4. Step 4: Simplify right side
    1,821.95x = 3,378,355.96
  5. Step 5: Solve for x
    x = 3,378,355.96/1,821.95
  6. Step 6: Final answer
    x = 1,854.26

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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.