Home / 4,278.60-5,902.74-2,708.28

Finding the Fourth Proportional to 4,278.60, 5,902.74 and 2,708.28

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Solution

The fourth proportional to 4,278.60, 5,902.74 and 2,708.28 is: 3,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.60 : 5,902.74 = 2,708.28 : x
  2. Step 2: Convert to fraction form
    4,278.60/5,902.74 = 2,708.28/x
  3. Step 3: Cross multiply
    4,278.60x = 5,902.74 × 2,708.28
  4. Step 4: Simplify right side
    4,278.60x = 15,986,272.69
  5. Step 5: Solve for x
    x = 15,986,272.69/4,278.60
  6. Step 6: Final answer
    x = 3,736.33

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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.