Home / 2,173.77-2,998.22-1,377.34

Finding the Fourth Proportional to 2,173.77, 2,998.22 and 1,377.34

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Solution

The fourth proportional to 2,173.77, 2,998.22 and 1,377.34 is: 1,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.77 : 2,998.22 = 1,377.34 : x
  2. Step 2: Convert to fraction form
    2,173.77/2,998.22 = 1,377.34/x
  3. Step 3: Cross multiply
    2,173.77x = 2,998.22 × 1,377.34
  4. Step 4: Simplify right side
    2,173.77x = 4,129,553.95
  5. Step 5: Solve for x
    x = 4,129,553.95/2,173.77
  6. Step 6: Final answer
    x = 1,899.72

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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.