Home / 3,319.29-4,974-2,082.96

Finding the Fourth Proportional to 3,319.29, 4,974 and 2,082.96

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Solution

The fourth proportional to 3,319.29, 4,974 and 2,082.96 is: 3,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.29 : 4,974 = 2,082.96 : x
  2. Step 2: Convert to fraction form
    3,319.29/4,974 = 2,082.96/x
  3. Step 3: Cross multiply
    3,319.29x = 4,974 × 2,082.96
  4. Step 4: Simplify right side
    3,319.29x = 10,360,643.04
  5. Step 5: Solve for x
    x = 10,360,643.04/3,319.29
  6. Step 6: Final answer
    x = 3,121.34

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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.