Home / 2,233.36-3,351.31-917.29

Finding the Fourth Proportional to 2,233.36, 3,351.31 and 917.29

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Solution

The fourth proportional to 2,233.36, 3,351.31 and 917.29 is: 1,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.36 : 3,351.31 = 917.29 : x
  2. Step 2: Convert to fraction form
    2,233.36/3,351.31 = 917.29/x
  3. Step 3: Cross multiply
    2,233.36x = 3,351.31 × 917.29
  4. Step 4: Simplify right side
    2,233.36x = 3,074,114.78
  5. Step 5: Solve for x
    x = 3,074,114.78/2,233.36
  6. Step 6: Final answer
    x = 1,376.45

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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.