Home / 2,650.02-3,974.96-1,561.30

Finding the Fourth Proportional to 2,650.02, 3,974.96 and 1,561.30

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Solution

The fourth proportional to 2,650.02, 3,974.96 and 1,561.30 is: 2,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.02 : 3,974.96 = 1,561.30 : x
  2. Step 2: Convert to fraction form
    2,650.02/3,974.96 = 1,561.30/x
  3. Step 3: Cross multiply
    2,650.02x = 3,974.96 × 1,561.30
  4. Step 4: Simplify right side
    2,650.02x = 6,206,105.05
  5. Step 5: Solve for x
    x = 6,206,105.05/2,650.02
  6. Step 6: Final answer
    x = 2,341.91

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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.