Home / 3,154.28-4,353.21-1,738.26

Finding the Fourth Proportional to 3,154.28, 4,353.21 and 1,738.26

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Solution

The fourth proportional to 3,154.28, 4,353.21 and 1,738.26 is: 2,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.28 : 4,353.21 = 1,738.26 : x
  2. Step 2: Convert to fraction form
    3,154.28/4,353.21 = 1,738.26/x
  3. Step 3: Cross multiply
    3,154.28x = 4,353.21 × 1,738.26
  4. Step 4: Simplify right side
    3,154.28x = 7,567,010.81
  5. Step 5: Solve for x
    x = 7,567,010.81/3,154.28
  6. Step 6: Final answer
    x = 2,398.97

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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.