Home / 3,943.60-5,916.30-1,346.50

Finding the Fourth Proportional to 3,943.60, 5,916.30 and 1,346.50

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Solution

The fourth proportional to 3,943.60, 5,916.30 and 1,346.50 is: 2,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.60 : 5,916.30 = 1,346.50 : x
  2. Step 2: Convert to fraction form
    3,943.60/5,916.30 = 1,346.50/x
  3. Step 3: Cross multiply
    3,943.60x = 5,916.30 × 1,346.50
  4. Step 4: Simplify right side
    3,943.60x = 7,966,297.95
  5. Step 5: Solve for x
    x = 7,966,297.95/3,943.60
  6. Step 6: Final answer
    x = 2,020.06

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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.