Home / 1,334.15-2,001.22-360.25

Finding the Fourth Proportional to 1,334.15, 2,001.22 and 360.25

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Solution

The fourth proportional to 1,334.15, 2,001.22 and 360.25 is: 540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.15 : 2,001.22 = 360.25 : x
  2. Step 2: Convert to fraction form
    1,334.15/2,001.22 = 360.25/x
  3. Step 3: Cross multiply
    1,334.15x = 2,001.22 × 360.25
  4. Step 4: Simplify right side
    1,334.15x = 720,933.60
  5. Step 5: Solve for x
    x = 720,933.60/1,334.15
  6. Step 6: Final answer
    x = 540.37

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Double scale
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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.