Home / 2,229.87-3,077.13-1,235.19

Finding the Fourth Proportional to 2,229.87, 3,077.13 and 1,235.19

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Solution

The fourth proportional to 2,229.87, 3,077.13 and 1,235.19 is: 1,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.87 : 3,077.13 = 1,235.19 : x
  2. Step 2: Convert to fraction form
    2,229.87/3,077.13 = 1,235.19/x
  3. Step 3: Cross multiply
    2,229.87x = 3,077.13 × 1,235.19
  4. Step 4: Simplify right side
    2,229.87x = 3,800,840.20
  5. Step 5: Solve for x
    x = 3,800,840.20/2,229.87
  6. Step 6: Final answer
    x = 1,704.51

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,230.87, 3,078.51 and 1,236.19
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1.5x scale

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.