Home / 3,422.24-5,135.60-2,124.60

Finding the Fourth Proportional to 3,422.24, 5,135.60 and 2,124.60

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Solution

The fourth proportional to 3,422.24, 5,135.60 and 2,124.60 is: 3,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.24 : 5,135.60 = 2,124.60 : x
  2. Step 2: Convert to fraction form
    3,422.24/5,135.60 = 2,124.60/x
  3. Step 3: Cross multiply
    3,422.24x = 5,135.60 × 2,124.60
  4. Step 4: Simplify right side
    3,422.24x = 10,911,095.76
  5. Step 5: Solve for x
    x = 10,911,095.76/3,422.24
  6. Step 6: Final answer
    x = 3,188.29

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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.