Home / 3,730.58-5,149.02-2,921.44

Finding the Fourth Proportional to 3,730.58, 5,149.02 and 2,921.44

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Solution

The fourth proportional to 3,730.58, 5,149.02 and 2,921.44 is: 4,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.58 : 5,149.02 = 2,921.44 : x
  2. Step 2: Convert to fraction form
    3,730.58/5,149.02 = 2,921.44/x
  3. Step 3: Cross multiply
    3,730.58x = 5,149.02 × 2,921.44
  4. Step 4: Simplify right side
    3,730.58x = 15,042,552.99
  5. Step 5: Solve for x
    x = 15,042,552.99/3,730.58
  6. Step 6: Final answer
    x = 4,032.23

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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.