Home / 2,086.45-3,132.14-854.84

Finding the Fourth Proportional to 2,086.45, 3,132.14 and 854.84

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Solution

The fourth proportional to 2,086.45, 3,132.14 and 854.84 is: 1,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.45 : 3,132.14 = 854.84 : x
  2. Step 2: Convert to fraction form
    2,086.45/3,132.14 = 854.84/x
  3. Step 3: Cross multiply
    2,086.45x = 3,132.14 × 854.84
  4. Step 4: Simplify right side
    2,086.45x = 2,677,482.11
  5. Step 5: Solve for x
    x = 2,677,482.11/2,086.45
  6. Step 6: Final answer
    x = 1,283.27

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1.5x scale

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.