Home / 3,439.77-5,159.73-1,248.51

Finding the Fourth Proportional to 3,439.77, 5,159.73 and 1,248.51

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Solution

The fourth proportional to 3,439.77, 5,159.73 and 1,248.51 is: 1,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.77 : 5,159.73 = 1,248.51 : x
  2. Step 2: Convert to fraction form
    3,439.77/5,159.73 = 1,248.51/x
  3. Step 3: Cross multiply
    3,439.77x = 5,159.73 × 1,248.51
  4. Step 4: Simplify right side
    3,439.77x = 6,441,974.50
  5. Step 5: Solve for x
    x = 6,441,974.50/3,439.77
  6. Step 6: Final answer
    x = 1,872.79

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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.