Home / 4,122.24-5,689.59-2,629.83

Finding the Fourth Proportional to 4,122.24, 5,689.59 and 2,629.83

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Solution

The fourth proportional to 4,122.24, 5,689.59 and 2,629.83 is: 3,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.24 : 5,689.59 = 2,629.83 : x
  2. Step 2: Convert to fraction form
    4,122.24/5,689.59 = 2,629.83/x
  3. Step 3: Cross multiply
    4,122.24x = 5,689.59 × 2,629.83
  4. Step 4: Simplify right side
    4,122.24x = 14,962,654.47
  5. Step 5: Solve for x
    x = 14,962,654.47/4,122.24
  6. Step 6: Final answer
    x = 3,629.74

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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.