Home / 3,438.66-5,160.73-1,248.02

Finding the Fourth Proportional to 3,438.66, 5,160.73 and 1,248.02

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Solution

The fourth proportional to 3,438.66, 5,160.73 and 1,248.02 is: 1,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.66 : 5,160.73 = 1,248.02 : x
  2. Step 2: Convert to fraction form
    3,438.66/5,160.73 = 1,248.02/x
  3. Step 3: Cross multiply
    3,438.66x = 5,160.73 × 1,248.02
  4. Step 4: Simplify right side
    3,438.66x = 6,440,694.25
  5. Step 5: Solve for x
    x = 6,440,694.25/3,438.66
  6. Step 6: Final answer
    x = 1,873.02

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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.