Home / 2,230.93-3,078.51-1,236.13

Finding the Fourth Proportional to 2,230.93, 3,078.51 and 1,236.13

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Solution

The fourth proportional to 2,230.93, 3,078.51 and 1,236.13 is: 1,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.93 : 3,078.51 = 1,236.13 : x
  2. Step 2: Convert to fraction form
    2,230.93/3,078.51 = 1,236.13/x
  3. Step 3: Cross multiply
    2,230.93x = 3,078.51 × 1,236.13
  4. Step 4: Simplify right side
    2,230.93x = 3,805,438.57
  5. Step 5: Solve for x
    x = 3,805,438.57/2,230.93
  6. Step 6: Final answer
    x = 1,705.76

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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.