Home / 2,375.64-3,560.22-1,222.20

Finding the Fourth Proportional to 2,375.64, 3,560.22 and 1,222.20

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Solution

The fourth proportional to 2,375.64, 3,560.22 and 1,222.20 is: 1,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.64 : 3,560.22 = 1,222.20 : x
  2. Step 2: Convert to fraction form
    2,375.64/3,560.22 = 1,222.20/x
  3. Step 3: Cross multiply
    2,375.64x = 3,560.22 × 1,222.20
  4. Step 4: Simplify right side
    2,375.64x = 4,351,300.88
  5. Step 5: Solve for x
    x = 4,351,300.88/2,375.64
  6. Step 6: Final answer
    x = 1,831.63

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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.