Home / 3,530.49-4,871.85-1,958.69

Finding the Fourth Proportional to 3,530.49, 4,871.85 and 1,958.69

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Solution

The fourth proportional to 3,530.49, 4,871.85 and 1,958.69 is: 2,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.49 : 4,871.85 = 1,958.69 : x
  2. Step 2: Convert to fraction form
    3,530.49/4,871.85 = 1,958.69/x
  3. Step 3: Cross multiply
    3,530.49x = 4,871.85 × 1,958.69
  4. Step 4: Simplify right side
    3,530.49x = 9,542,443.88
  5. Step 5: Solve for x
    x = 9,542,443.88/3,530.49
  6. Step 6: Final answer
    x = 2,702.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.