Home / 2,308.84-3,186.07-1,314.12

Finding the Fourth Proportional to 2,308.84, 3,186.07 and 1,314.12

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Solution

The fourth proportional to 2,308.84, 3,186.07 and 1,314.12 is: 1,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.84 : 3,186.07 = 1,314.12 : x
  2. Step 2: Convert to fraction form
    2,308.84/3,186.07 = 1,314.12/x
  3. Step 3: Cross multiply
    2,308.84x = 3,186.07 × 1,314.12
  4. Step 4: Simplify right side
    2,308.84x = 4,186,886.97
  5. Step 5: Solve for x
    x = 4,186,886.97/2,308.84
  6. Step 6: Final answer
    x = 1,813.42

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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.