Home / 2,395.44-3,305.69-1,333.20

Finding the Fourth Proportional to 2,395.44, 3,305.69 and 1,333.20

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Solution

The fourth proportional to 2,395.44, 3,305.69 and 1,333.20 is: 1,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.44 : 3,305.69 = 1,333.20 : x
  2. Step 2: Convert to fraction form
    2,395.44/3,305.69 = 1,333.20/x
  3. Step 3: Cross multiply
    2,395.44x = 3,305.69 × 1,333.20
  4. Step 4: Simplify right side
    2,395.44x = 4,407,145.91
  5. Step 5: Solve for x
    x = 4,407,145.91/2,395.44
  6. Step 6: Final answer
    x = 1,839.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.