Home / 2,229.53-3,076.79-1,345.14

Finding the Fourth Proportional to 2,229.53, 3,076.79 and 1,345.14

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Solution

The fourth proportional to 2,229.53, 3,076.79 and 1,345.14 is: 1,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.53 : 3,076.79 = 1,345.14 : x
  2. Step 2: Convert to fraction form
    2,229.53/3,076.79 = 1,345.14/x
  3. Step 3: Cross multiply
    2,229.53x = 3,076.79 × 1,345.14
  4. Step 4: Simplify right side
    2,229.53x = 4,138,706.57
  5. Step 5: Solve for x
    x = 4,138,706.57/2,229.53
  6. Step 6: Final answer
    x = 1,856.32

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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.