Home / 3,530.10-4,871.66-1,936.86

Finding the Fourth Proportional to 3,530.10, 4,871.66 and 1,936.86

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Solution

The fourth proportional to 3,530.10, 4,871.66 and 1,936.86 is: 2,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.10 : 4,871.66 = 1,936.86 : x
  2. Step 2: Convert to fraction form
    3,530.10/4,871.66 = 1,936.86/x
  3. Step 3: Cross multiply
    3,530.10x = 4,871.66 × 1,936.86
  4. Step 4: Simplify right side
    3,530.10x = 9,435,713.70
  5. Step 5: Solve for x
    x = 9,435,713.70/3,530.10
  6. Step 6: Final answer
    x = 2,672.93

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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.