Home / 2,422.87-3,343.37-1,360.44

Finding the Fourth Proportional to 2,422.87, 3,343.37 and 1,360.44

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Solution

The fourth proportional to 2,422.87, 3,343.37 and 1,360.44 is: 1,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.87 : 3,343.37 = 1,360.44 : x
  2. Step 2: Convert to fraction form
    2,422.87/3,343.37 = 1,360.44/x
  3. Step 3: Cross multiply
    2,422.87x = 3,343.37 × 1,360.44
  4. Step 4: Simplify right side
    2,422.87x = 4,548,447.48
  5. Step 5: Solve for x
    x = 4,548,447.48/2,422.87
  6. Step 6: Final answer
    x = 1,877.30

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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.