Home / 2,287.28-3,154.08-2,054.78

Finding the Fourth Proportional to 2,287.28, 3,154.08 and 2,054.78

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Solution

The fourth proportional to 2,287.28, 3,154.08 and 2,054.78 is: 2,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.28 : 3,154.08 = 2,054.78 : x
  2. Step 2: Convert to fraction form
    2,287.28/3,154.08 = 2,054.78/x
  3. Step 3: Cross multiply
    2,287.28x = 3,154.08 × 2,054.78
  4. Step 4: Simplify right side
    2,287.28x = 6,480,940.50
  5. Step 5: Solve for x
    x = 6,480,940.50/2,287.28
  6. Step 6: Final answer
    x = 2,833.47

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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.