Home / 2,399.46-3,310.29-1,877.10

Finding the Fourth Proportional to 2,399.46, 3,310.29 and 1,877.10

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Solution

The fourth proportional to 2,399.46, 3,310.29 and 1,877.10 is: 2,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.46 : 3,310.29 = 1,877.10 : x
  2. Step 2: Convert to fraction form
    2,399.46/3,310.29 = 1,877.10/x
  3. Step 3: Cross multiply
    2,399.46x = 3,310.29 × 1,877.10
  4. Step 4: Simplify right side
    2,399.46x = 6,213,745.36
  5. Step 5: Solve for x
    x = 6,213,745.36/2,399.46
  6. Step 6: Final answer
    x = 2,589.64

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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.