Home / 3,476.49-5,215.03-1,011.31

Finding the Fourth Proportional to 3,476.49, 5,215.03 and 1,011.31

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Solution

The fourth proportional to 3,476.49, 5,215.03 and 1,011.31 is: 1,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.49 : 5,215.03 = 1,011.31 : x
  2. Step 2: Convert to fraction form
    3,476.49/5,215.03 = 1,011.31/x
  3. Step 3: Cross multiply
    3,476.49x = 5,215.03 × 1,011.31
  4. Step 4: Simplify right side
    3,476.49x = 5,274,011.99
  5. Step 5: Solve for x
    x = 5,274,011.99/3,476.49
  6. Step 6: Final answer
    x = 1,517.05

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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.