Home / 2,214.18-3,321.09-675.18

Finding the Fourth Proportional to 2,214.18, 3,321.09 and 675.18

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Solution

The fourth proportional to 2,214.18, 3,321.09 and 675.18 is: 1,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.18 : 3,321.09 = 675.18 : x
  2. Step 2: Convert to fraction form
    2,214.18/3,321.09 = 675.18/x
  3. Step 3: Cross multiply
    2,214.18x = 3,321.09 × 675.18
  4. Step 4: Simplify right side
    2,214.18x = 2,242,333.55
  5. Step 5: Solve for x
    x = 2,242,333.55/2,214.18
  6. Step 6: Final answer
    x = 1,012.72

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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.