Home / 3,810.80-5,706.18-3,066.45

Finding the Fourth Proportional to 3,810.80, 5,706.18 and 3,066.45

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Solution

The fourth proportional to 3,810.80, 5,706.18 and 3,066.45 is: 4,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.80 : 5,706.18 = 3,066.45 : x
  2. Step 2: Convert to fraction form
    3,810.80/5,706.18 = 3,066.45/x
  3. Step 3: Cross multiply
    3,810.80x = 5,706.18 × 3,066.45
  4. Step 4: Simplify right side
    3,810.80x = 17,497,715.66
  5. Step 5: Solve for x
    x = 17,497,715.66/3,810.80
  6. Step 6: Final answer
    x = 4,591.62

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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.