Home / 2,858.69-3,941.46-2,299.19

Finding the Fourth Proportional to 2,858.69, 3,941.46 and 2,299.19

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Solution

The fourth proportional to 2,858.69, 3,941.46 and 2,299.19 is: 3,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.69 : 3,941.46 = 2,299.19 : x
  2. Step 2: Convert to fraction form
    2,858.69/3,941.46 = 2,299.19/x
  3. Step 3: Cross multiply
    2,858.69x = 3,941.46 × 2,299.19
  4. Step 4: Simplify right side
    2,858.69x = 9,062,145.71
  5. Step 5: Solve for x
    x = 9,062,145.71/2,858.69
  6. Step 6: Final answer
    x = 3,170.03

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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.