Home / 2,286.10-3,428.35-804.94

Finding the Fourth Proportional to 2,286.10, 3,428.35 and 804.94

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Solution

The fourth proportional to 2,286.10, 3,428.35 and 804.94 is: 1,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.10 : 3,428.35 = 804.94 : x
  2. Step 2: Convert to fraction form
    2,286.10/3,428.35 = 804.94/x
  3. Step 3: Cross multiply
    2,286.10x = 3,428.35 × 804.94
  4. Step 4: Simplify right side
    2,286.10x = 2,759,607.73
  5. Step 5: Solve for x
    x = 2,759,607.73/2,286.10
  6. Step 6: Final answer
    x = 1,207.13

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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.