Home / 3,187.22-4,400.49-1,994.01

Finding the Fourth Proportional to 3,187.22, 4,400.49 and 1,994.01

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Solution

The fourth proportional to 3,187.22, 4,400.49 and 1,994.01 is: 2,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.22 : 4,400.49 = 1,994.01 : x
  2. Step 2: Convert to fraction form
    3,187.22/4,400.49 = 1,994.01/x
  3. Step 3: Cross multiply
    3,187.22x = 4,400.49 × 1,994.01
  4. Step 4: Simplify right side
    3,187.22x = 8,774,621.06
  5. Step 5: Solve for x
    x = 8,774,621.06/3,187.22
  6. Step 6: Final answer
    x = 2,753.06

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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.