Home / 3,186.02-4,779.10-1,237.82

Finding the Fourth Proportional to 3,186.02, 4,779.10 and 1,237.82

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Solution

The fourth proportional to 3,186.02, 4,779.10 and 1,237.82 is: 1,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.02 : 4,779.10 = 1,237.82 : x
  2. Step 2: Convert to fraction form
    3,186.02/4,779.10 = 1,237.82/x
  3. Step 3: Cross multiply
    3,186.02x = 4,779.10 × 1,237.82
  4. Step 4: Simplify right side
    3,186.02x = 5,915,665.56
  5. Step 5: Solve for x
    x = 5,915,665.56/3,186.02
  6. Step 6: Final answer
    x = 1,856.76

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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.