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Finding the Fourth Proportional to 3,339, 5,019.90 and 3,065.76

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Solution

The fourth proportional to 3,339, 5,019.90 and 3,065.76 is: 4,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339 : 5,019.90 = 3,065.76 : x
  2. Step 2: Convert to fraction form
    3,339/5,019.90 = 3,065.76/x
  3. Step 3: Cross multiply
    3,339x = 5,019.90 × 3,065.76
  4. Step 4: Simplify right side
    3,339x = 15,389,808.62
  5. Step 5: Solve for x
    x = 15,389,808.62/3,339
  6. Step 6: Final answer
    x = 4,609.11

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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.