Home / 1,334.30-2,001.24-360.50

Finding the Fourth Proportional to 1,334.30, 2,001.24 and 360.50

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Solution

The fourth proportional to 1,334.30, 2,001.24 and 360.50 is: 540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.30 : 2,001.24 = 360.50 : x
  2. Step 2: Convert to fraction form
    1,334.30/2,001.24 = 360.50/x
  3. Step 3: Cross multiply
    1,334.30x = 2,001.24 × 360.50
  4. Step 4: Simplify right side
    1,334.30x = 721,447.02
  5. Step 5: Solve for x
    x = 721,447.02/1,334.30
  6. Step 6: Final answer
    x = 540.69

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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.