Home / 3,364.85-5,040.32-1,974

Finding the Fourth Proportional to 3,364.85, 5,040.32 and 1,974

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Solution

The fourth proportional to 3,364.85, 5,040.32 and 1,974 is: 2,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.85 : 5,040.32 = 1,974 : x
  2. Step 2: Convert to fraction form
    3,364.85/5,040.32 = 1,974/x
  3. Step 3: Cross multiply
    3,364.85x = 5,040.32 × 1,974
  4. Step 4: Simplify right side
    3,364.85x = 9,949,581.81
  5. Step 5: Solve for x
    x = 9,949,581.81/3,364.85
  6. Step 6: Final answer
    x = 2,956.92

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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.