Home / 2,755.24-3,800.58-1,707.88

Finding the Fourth Proportional to 2,755.24, 3,800.58 and 1,707.88

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Solution

The fourth proportional to 2,755.24, 3,800.58 and 1,707.88 is: 2,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.24 : 3,800.58 = 1,707.88 : x
  2. Step 2: Convert to fraction form
    2,755.24/3,800.58 = 1,707.88/x
  3. Step 3: Cross multiply
    2,755.24x = 3,800.58 × 1,707.88
  4. Step 4: Simplify right side
    2,755.24x = 6,490,934.57
  5. Step 5: Solve for x
    x = 6,490,934.57/2,755.24
  6. Step 6: Final answer
    x = 2,355.85

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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.