Home / 3,620.02-5,429.72-1,672.24

Finding the Fourth Proportional to 3,620.02, 5,429.72 and 1,672.24

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Solution

The fourth proportional to 3,620.02, 5,429.72 and 1,672.24 is: 2,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.02 : 5,429.72 = 1,672.24 : x
  2. Step 2: Convert to fraction form
    3,620.02/5,429.72 = 1,672.24/x
  3. Step 3: Cross multiply
    3,620.02x = 5,429.72 × 1,672.24
  4. Step 4: Simplify right side
    3,620.02x = 9,079,794.97
  5. Step 5: Solve for x
    x = 9,079,794.97/3,620.02
  6. Step 6: Final answer
    x = 2,508.22

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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.