Home / 3,476.12-5,214.78-1,529.70

Finding the Fourth Proportional to 3,476.12, 5,214.78 and 1,529.70

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Solution

The fourth proportional to 3,476.12, 5,214.78 and 1,529.70 is: 2,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.12 : 5,214.78 = 1,529.70 : x
  2. Step 2: Convert to fraction form
    3,476.12/5,214.78 = 1,529.70/x
  3. Step 3: Cross multiply
    3,476.12x = 5,214.78 × 1,529.70
  4. Step 4: Simplify right side
    3,476.12x = 7,977,048.97
  5. Step 5: Solve for x
    x = 7,977,048.97/3,476.12
  6. Step 6: Final answer
    x = 2,294.81

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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.