Home / 3,522.24-5,284.20-1,213.76

Finding the Fourth Proportional to 3,522.24, 5,284.20 and 1,213.76

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Solution

The fourth proportional to 3,522.24, 5,284.20 and 1,213.76 is: 1,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.24 : 5,284.20 = 1,213.76 : x
  2. Step 2: Convert to fraction form
    3,522.24/5,284.20 = 1,213.76/x
  3. Step 3: Cross multiply
    3,522.24x = 5,284.20 × 1,213.76
  4. Step 4: Simplify right side
    3,522.24x = 6,413,750.59
  5. Step 5: Solve for x
    x = 6,413,750.59/3,522.24
  6. Step 6: Final answer
    x = 1,820.93

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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.