Home / 2,864.44-3,957.78-2,280.16

Finding the Fourth Proportional to 2,864.44, 3,957.78 and 2,280.16

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Solution

The fourth proportional to 2,864.44, 3,957.78 and 2,280.16 is: 3,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.44 : 3,957.78 = 2,280.16 : x
  2. Step 2: Convert to fraction form
    2,864.44/3,957.78 = 2,280.16/x
  3. Step 3: Cross multiply
    2,864.44x = 3,957.78 × 2,280.16
  4. Step 4: Simplify right side
    2,864.44x = 9,024,371.64
  5. Step 5: Solve for x
    x = 9,024,371.64/2,864.44
  6. Step 6: Final answer
    x = 3,150.48

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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.