Home / 2,177.28-2,994.84-1,755

Finding the Fourth Proportional to 2,177.28, 2,994.84 and 1,755

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Solution

The fourth proportional to 2,177.28, 2,994.84 and 1,755 is: 2,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.28 : 2,994.84 = 1,755 : x
  2. Step 2: Convert to fraction form
    2,177.28/2,994.84 = 1,755/x
  3. Step 3: Cross multiply
    2,177.28x = 2,994.84 × 1,755
  4. Step 4: Simplify right side
    2,177.28x = 5,255,944.20
  5. Step 5: Solve for x
    x = 5,255,944.20/2,177.28
  6. Step 6: Final answer
    x = 2,414.00

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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.