Home / 2,678.04-3,691.95-2,308.95

Finding the Fourth Proportional to 2,678.04, 3,691.95 and 2,308.95

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Solution

The fourth proportional to 2,678.04, 3,691.95 and 2,308.95 is: 3,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.04 : 3,691.95 = 2,308.95 : x
  2. Step 2: Convert to fraction form
    2,678.04/3,691.95 = 2,308.95/x
  3. Step 3: Cross multiply
    2,678.04x = 3,691.95 × 2,308.95
  4. Step 4: Simplify right side
    2,678.04x = 8,524,527.95
  5. Step 5: Solve for x
    x = 8,524,527.95/2,678.04
  6. Step 6: Final answer
    x = 3,183.12

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1.5x scale

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.