Home / 3,080.10-4,609.35-2,108.10

Finding the Fourth Proportional to 3,080.10, 4,609.35 and 2,108.10

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Solution

The fourth proportional to 3,080.10, 4,609.35 and 2,108.10 is: 3,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.10 : 4,609.35 = 2,108.10 : x
  2. Step 2: Convert to fraction form
    3,080.10/4,609.35 = 2,108.10/x
  3. Step 3: Cross multiply
    3,080.10x = 4,609.35 × 2,108.10
  4. Step 4: Simplify right side
    3,080.10x = 9,716,970.74
  5. Step 5: Solve for x
    x = 9,716,970.74/3,080.10
  6. Step 6: Final answer
    x = 3,154.76

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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.