Home / 2,858.07-4,286.31-1,008.93

Finding the Fourth Proportional to 2,858.07, 4,286.31 and 1,008.93

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Solution

The fourth proportional to 2,858.07, 4,286.31 and 1,008.93 is: 1,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.07 : 4,286.31 = 1,008.93 : x
  2. Step 2: Convert to fraction form
    2,858.07/4,286.31 = 1,008.93/x
  3. Step 3: Cross multiply
    2,858.07x = 4,286.31 × 1,008.93
  4. Step 4: Simplify right side
    2,858.07x = 4,324,586.75
  5. Step 5: Solve for x
    x = 4,324,586.75/2,858.07
  6. Step 6: Final answer
    x = 1,513.11

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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.