Home / 3,248.26-4,868.40-1,930.70

Finding the Fourth Proportional to 3,248.26, 4,868.40 and 1,930.70

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Solution

The fourth proportional to 3,248.26, 4,868.40 and 1,930.70 is: 2,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.26 : 4,868.40 = 1,930.70 : x
  2. Step 2: Convert to fraction form
    3,248.26/4,868.40 = 1,930.70/x
  3. Step 3: Cross multiply
    3,248.26x = 4,868.40 × 1,930.70
  4. Step 4: Simplify right side
    3,248.26x = 9,399,419.88
  5. Step 5: Solve for x
    x = 9,399,419.88/3,248.26
  6. Step 6: Final answer
    x = 2,893.68

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1.5x scale

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.