Home / 2,697.25-3,722.34-1,649.38

Finding the Fourth Proportional to 2,697.25, 3,722.34 and 1,649.38

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Solution

The fourth proportional to 2,697.25, 3,722.34 and 1,649.38 is: 2,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.25 : 3,722.34 = 1,649.38 : x
  2. Step 2: Convert to fraction form
    2,697.25/3,722.34 = 1,649.38/x
  3. Step 3: Cross multiply
    2,697.25x = 3,722.34 × 1,649.38
  4. Step 4: Simplify right side
    2,697.25x = 6,139,553.15
  5. Step 5: Solve for x
    x = 6,139,553.15/2,697.25
  6. Step 6: Final answer
    x = 2,276.23

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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.