Home / 3,411.63-5,113.67-1,947.56

Finding the Fourth Proportional to 3,411.63, 5,113.67 and 1,947.56

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Solution

The fourth proportional to 3,411.63, 5,113.67 and 1,947.56 is: 2,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.63 : 5,113.67 = 1,947.56 : x
  2. Step 2: Convert to fraction form
    3,411.63/5,113.67 = 1,947.56/x
  3. Step 3: Cross multiply
    3,411.63x = 5,113.67 × 1,947.56
  4. Step 4: Simplify right side
    3,411.63x = 9,959,143.84
  5. Step 5: Solve for x
    x = 9,959,143.84/3,411.63
  6. Step 6: Final answer
    x = 2,919.17

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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.