Home / 3,947.71-5,916.85-1,836.48

Finding the Fourth Proportional to 3,947.71, 5,916.85 and 1,836.48

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Solution

The fourth proportional to 3,947.71, 5,916.85 and 1,836.48 is: 2,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.71 : 5,916.85 = 1,836.48 : x
  2. Step 2: Convert to fraction form
    3,947.71/5,916.85 = 1,836.48/x
  3. Step 3: Cross multiply
    3,947.71x = 5,916.85 × 1,836.48
  4. Step 4: Simplify right side
    3,947.71x = 10,866,176.69
  5. Step 5: Solve for x
    x = 10,866,176.69/3,947.71
  6. Step 6: Final answer
    x = 2,752.53

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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.