Home / 2,215.01-3,324.56-1,120.14

Finding the Fourth Proportional to 2,215.01, 3,324.56 and 1,120.14

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Solution

The fourth proportional to 2,215.01, 3,324.56 and 1,120.14 is: 1,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.01 : 3,324.56 = 1,120.14 : x
  2. Step 2: Convert to fraction form
    2,215.01/3,324.56 = 1,120.14/x
  3. Step 3: Cross multiply
    2,215.01x = 3,324.56 × 1,120.14
  4. Step 4: Simplify right side
    2,215.01x = 3,723,972.64
  5. Step 5: Solve for x
    x = 3,723,972.64/2,215.01
  6. Step 6: Final answer
    x = 1,681.24

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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.