Home / 3,610.86-4,980.84-2,491.74

Finding the Fourth Proportional to 3,610.86, 4,980.84 and 2,491.74

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Solution

The fourth proportional to 3,610.86, 4,980.84 and 2,491.74 is: 3,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.86 : 4,980.84 = 2,491.74 : x
  2. Step 2: Convert to fraction form
    3,610.86/4,980.84 = 2,491.74/x
  3. Step 3: Cross multiply
    3,610.86x = 4,980.84 × 2,491.74
  4. Step 4: Simplify right side
    3,610.86x = 12,410,958.26
  5. Step 5: Solve for x
    x = 12,410,958.26/3,610.86
  6. Step 6: Final answer
    x = 3,437.12

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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.