Home / 3,947.18-5,916.81-1,348.34

Finding the Fourth Proportional to 3,947.18, 5,916.81 and 1,348.34

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Solution

The fourth proportional to 3,947.18, 5,916.81 and 1,348.34 is: 2,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.18 : 5,916.81 = 1,348.34 : x
  2. Step 2: Convert to fraction form
    3,947.18/5,916.81 = 1,348.34/x
  3. Step 3: Cross multiply
    3,947.18x = 5,916.81 × 1,348.34
  4. Step 4: Simplify right side
    3,947.18x = 7,977,871.60
  5. Step 5: Solve for x
    x = 7,977,871.60/3,947.18
  6. Step 6: Final answer
    x = 2,021.16

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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.