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Finding the Fourth Proportional to 3,310.31, 4,568.23 and 1,913.33

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Solution

The fourth proportional to 3,310.31, 4,568.23 and 1,913.33 is: 2,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.31 : 4,568.23 = 1,913.33 : x
  2. Step 2: Convert to fraction form
    3,310.31/4,568.23 = 1,913.33/x
  3. Step 3: Cross multiply
    3,310.31x = 4,568.23 × 1,913.33
  4. Step 4: Simplify right side
    3,310.31x = 8,740,545.32
  5. Step 5: Solve for x
    x = 8,740,545.32/3,310.31
  6. Step 6: Final answer
    x = 2,640.40

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1.5x scale

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.