Home / 3,506.90-5,261.82-1,947.98

Finding the Fourth Proportional to 3,506.90, 5,261.82 and 1,947.98

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Solution

The fourth proportional to 3,506.90, 5,261.82 and 1,947.98 is: 2,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.90 : 5,261.82 = 1,947.98 : x
  2. Step 2: Convert to fraction form
    3,506.90/5,261.82 = 1,947.98/x
  3. Step 3: Cross multiply
    3,506.90x = 5,261.82 × 1,947.98
  4. Step 4: Simplify right side
    3,506.90x = 10,249,920.12
  5. Step 5: Solve for x
    x = 10,249,920.12/3,506.90
  6. Step 6: Final answer
    x = 2,922.79

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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.