Home / 3,476.18-5,215.14-1,011.20

Finding the Fourth Proportional to 3,476.18, 5,215.14 and 1,011.20

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Solution

The fourth proportional to 3,476.18, 5,215.14 and 1,011.20 is: 1,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.18 : 5,215.14 = 1,011.20 : x
  2. Step 2: Convert to fraction form
    3,476.18/5,215.14 = 1,011.20/x
  3. Step 3: Cross multiply
    3,476.18x = 5,215.14 × 1,011.20
  4. Step 4: Simplify right side
    3,476.18x = 5,273,549.57
  5. Step 5: Solve for x
    x = 5,273,549.57/3,476.18
  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.