Home / 2,213.16-3,319.73-914.66

Finding the Fourth Proportional to 2,213.16, 3,319.73 and 914.66

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Solution

The fourth proportional to 2,213.16, 3,319.73 and 914.66 is: 1,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.16 : 3,319.73 = 914.66 : x
  2. Step 2: Convert to fraction form
    2,213.16/3,319.73 = 914.66/x
  3. Step 3: Cross multiply
    2,213.16x = 3,319.73 × 914.66
  4. Step 4: Simplify right side
    2,213.16x = 3,036,424.09
  5. Step 5: Solve for x
    x = 3,036,424.09/2,213.16
  6. Step 6: Final answer
    x = 1,371.99

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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.