Home / 3,168.64-4,371.69-1,842.76

Finding the Fourth Proportional to 3,168.64, 4,371.69 and 1,842.76

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Solution

The fourth proportional to 3,168.64, 4,371.69 and 1,842.76 is: 2,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.64 : 4,371.69 = 1,842.76 : x
  2. Step 2: Convert to fraction form
    3,168.64/4,371.69 = 1,842.76/x
  3. Step 3: Cross multiply
    3,168.64x = 4,371.69 × 1,842.76
  4. Step 4: Simplify right side
    3,168.64x = 8,055,975.46
  5. Step 5: Solve for x
    x = 8,055,975.46/3,168.64
  6. Step 6: Final answer
    x = 2,542.41

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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.