Home / 3,080.37-4,621.37-2,686.71

Finding the Fourth Proportional to 3,080.37, 4,621.37 and 2,686.71

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Solution

The fourth proportional to 3,080.37, 4,621.37 and 2,686.71 is: 4,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.37 : 4,621.37 = 2,686.71 : x
  2. Step 2: Convert to fraction form
    3,080.37/4,621.37 = 2,686.71/x
  3. Step 3: Cross multiply
    3,080.37x = 4,621.37 × 2,686.71
  4. Step 4: Simplify right side
    3,080.37x = 12,416,267.56
  5. Step 5: Solve for x
    x = 12,416,267.56/3,080.37
  6. Step 6: Final answer
    x = 4,030.77

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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.