Home / 3,116.24-4,677.18-2,786.68

Finding the Fourth Proportional to 3,116.24, 4,677.18 and 2,786.68

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Solution

The fourth proportional to 3,116.24, 4,677.18 and 2,786.68 is: 4,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.24 : 4,677.18 = 2,786.68 : x
  2. Step 2: Convert to fraction form
    3,116.24/4,677.18 = 2,786.68/x
  3. Step 3: Cross multiply
    3,116.24x = 4,677.18 × 2,786.68
  4. Step 4: Simplify right side
    3,116.24x = 13,033,803.96
  5. Step 5: Solve for x
    x = 13,033,803.96/3,116.24
  6. Step 6: Final answer
    x = 4,182.54

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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.