Home / 3,530.33-4,871.95-1,958.45

Finding the Fourth Proportional to 3,530.33, 4,871.95 and 1,958.45

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Solution

The fourth proportional to 3,530.33, 4,871.95 and 1,958.45 is: 2,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.33 : 4,871.95 = 1,958.45 : x
  2. Step 2: Convert to fraction form
    3,530.33/4,871.95 = 1,958.45/x
  3. Step 3: Cross multiply
    3,530.33x = 4,871.95 × 1,958.45
  4. Step 4: Simplify right side
    3,530.33x = 9,541,460.69
  5. Step 5: Solve for x
    x = 9,541,460.69/3,530.33
  6. Step 6: Final answer
    x = 2,702.71

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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.