Home / 2,876.99-4,310.26-1,318.29

Finding the Fourth Proportional to 2,876.99, 4,310.26 and 1,318.29

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Solution

The fourth proportional to 2,876.99, 4,310.26 and 1,318.29 is: 1,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.99 : 4,310.26 = 1,318.29 : x
  2. Step 2: Convert to fraction form
    2,876.99/4,310.26 = 1,318.29/x
  3. Step 3: Cross multiply
    2,876.99x = 4,310.26 × 1,318.29
  4. Step 4: Simplify right side
    2,876.99x = 5,682,172.66
  5. Step 5: Solve for x
    x = 5,682,172.66/2,876.99
  6. Step 6: Final answer
    x = 1,975.04

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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.