Home / 2,308.14-3,442.13-2,178.75

Finding the Fourth Proportional to 2,308.14, 3,442.13 and 2,178.75

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Solution

The fourth proportional to 2,308.14, 3,442.13 and 2,178.75 is: 3,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.14 : 3,442.13 = 2,178.75 : x
  2. Step 2: Convert to fraction form
    2,308.14/3,442.13 = 2,178.75/x
  3. Step 3: Cross multiply
    2,308.14x = 3,442.13 × 2,178.75
  4. Step 4: Simplify right side
    2,308.14x = 7,499,529.84
  5. Step 5: Solve for x
    x = 7,499,529.84/2,308.14
  6. Step 6: Final answer
    x = 3,249.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.