Home / 3,161.44-4,362.79-1,764.19

Finding the Fourth Proportional to 3,161.44, 4,362.79 and 1,764.19

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Solution

The fourth proportional to 3,161.44, 4,362.79 and 1,764.19 is: 2,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.44 : 4,362.79 = 1,764.19 : x
  2. Step 2: Convert to fraction form
    3,161.44/4,362.79 = 1,764.19/x
  3. Step 3: Cross multiply
    3,161.44x = 4,362.79 × 1,764.19
  4. Step 4: Simplify right side
    3,161.44x = 7,696,775.17
  5. Step 5: Solve for x
    x = 7,696,775.17/3,161.44
  6. Step 6: Final answer
    x = 2,434.58

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Double scale
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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.