Home / 3,964.25-5,947.45-1,655.21

Finding the Fourth Proportional to 3,964.25, 5,947.45 and 1,655.21

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Solution

The fourth proportional to 3,964.25, 5,947.45 and 1,655.21 is: 2,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.25 : 5,947.45 = 1,655.21 : x
  2. Step 2: Convert to fraction form
    3,964.25/5,947.45 = 1,655.21/x
  3. Step 3: Cross multiply
    3,964.25x = 5,947.45 × 1,655.21
  4. Step 4: Simplify right side
    3,964.25x = 9,844,278.71
  5. Step 5: Solve for x
    x = 9,844,278.71/3,964.25
  6. Step 6: Final answer
    x = 2,483.26

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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.