Home / 3,161.84-4,363.36-1,764.60

Finding the Fourth Proportional to 3,161.84, 4,363.36 and 1,764.60

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Solution

The fourth proportional to 3,161.84, 4,363.36 and 1,764.60 is: 2,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.84 : 4,363.36 = 1,764.60 : x
  2. Step 2: Convert to fraction form
    3,161.84/4,363.36 = 1,764.60/x
  3. Step 3: Cross multiply
    3,161.84x = 4,363.36 × 1,764.60
  4. Step 4: Simplify right side
    3,161.84x = 7,699,585.06
  5. Step 5: Solve for x
    x = 7,699,585.06/3,161.84
  6. Step 6: Final answer
    x = 2,435.16

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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.