Home / 3,187.39-4,777.04-1,801.50

Finding the Fourth Proportional to 3,187.39, 4,777.04 and 1,801.50

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Solution

The fourth proportional to 3,187.39, 4,777.04 and 1,801.50 is: 2,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.39 : 4,777.04 = 1,801.50 : x
  2. Step 2: Convert to fraction form
    3,187.39/4,777.04 = 1,801.50/x
  3. Step 3: Cross multiply
    3,187.39x = 4,777.04 × 1,801.50
  4. Step 4: Simplify right side
    3,187.39x = 8,605,842.06
  5. Step 5: Solve for x
    x = 8,605,842.06/3,187.39
  6. Step 6: Final answer
    x = 2,699.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.