Home / 3,170.28-4,374.91-1,754.02

Finding the Fourth Proportional to 3,170.28, 4,374.91 and 1,754.02

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Solution

The fourth proportional to 3,170.28, 4,374.91 and 1,754.02 is: 2,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.28 : 4,374.91 = 1,754.02 : x
  2. Step 2: Convert to fraction form
    3,170.28/4,374.91 = 1,754.02/x
  3. Step 3: Cross multiply
    3,170.28x = 4,374.91 × 1,754.02
  4. Step 4: Simplify right side
    3,170.28x = 7,673,679.64
  5. Step 5: Solve for x
    x = 7,673,679.64/3,170.28
  6. Step 6: Final answer
    x = 2,420.51

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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.