Home / 3,161.48-4,364.88-2,166.44

Finding the Fourth Proportional to 3,161.48, 4,364.88 and 2,166.44

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Solution

The fourth proportional to 3,161.48, 4,364.88 and 2,166.44 is: 2,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.48 : 4,364.88 = 2,166.44 : x
  2. Step 2: Convert to fraction form
    3,161.48/4,364.88 = 2,166.44/x
  3. Step 3: Cross multiply
    3,161.48x = 4,364.88 × 2,166.44
  4. Step 4: Simplify right side
    3,161.48x = 9,456,250.63
  5. Step 5: Solve for x
    x = 9,456,250.63/3,161.48
  6. Step 6: Final answer
    x = 2,991.08

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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.