Home / 3,743.36-5,165.37-2,251.20

Finding the Fourth Proportional to 3,743.36, 5,165.37 and 2,251.20

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Solution

The fourth proportional to 3,743.36, 5,165.37 and 2,251.20 is: 3,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.36 : 5,165.37 = 2,251.20 : x
  2. Step 2: Convert to fraction form
    3,743.36/5,165.37 = 2,251.20/x
  3. Step 3: Cross multiply
    3,743.36x = 5,165.37 × 2,251.20
  4. Step 4: Simplify right side
    3,743.36x = 11,628,280.94
  5. Step 5: Solve for x
    x = 11,628,280.94/3,743.36
  6. Step 6: Final answer
    x = 3,106.38

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Half scale
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Double scale
Find fourth proportional to 3,744.36, 5,166.75 and 2,252.20
Similar ratio
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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.