Home / 3,187.02-4,777.86-1,339.56

Finding the Fourth Proportional to 3,187.02, 4,777.86 and 1,339.56

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Solution

The fourth proportional to 3,187.02, 4,777.86 and 1,339.56 is: 2,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.02 : 4,777.86 = 1,339.56 : x
  2. Step 2: Convert to fraction form
    3,187.02/4,777.86 = 1,339.56/x
  3. Step 3: Cross multiply
    3,187.02x = 4,777.86 × 1,339.56
  4. Step 4: Simplify right side
    3,187.02x = 6,400,230.14
  5. Step 5: Solve for x
    x = 6,400,230.14/3,187.02
  6. Step 6: Final answer
    x = 2,008.22

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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.