Home / 3,344.34-5,015.70-1,398.72

Finding the Fourth Proportional to 3,344.34, 5,015.70 and 1,398.72

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Solution

The fourth proportional to 3,344.34, 5,015.70 and 1,398.72 is: 2,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.34 : 5,015.70 = 1,398.72 : x
  2. Step 2: Convert to fraction form
    3,344.34/5,015.70 = 1,398.72/x
  3. Step 3: Cross multiply
    3,344.34x = 5,015.70 × 1,398.72
  4. Step 4: Simplify right side
    3,344.34x = 7,015,559.90
  5. Step 5: Solve for x
    x = 7,015,559.90/3,344.34
  6. Step 6: Final answer
    x = 2,097.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.