Home / 2,752.20-3,797.37-1,868.85

Finding the Fourth Proportional to 2,752.20, 3,797.37 and 1,868.85

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Solution

The fourth proportional to 2,752.20, 3,797.37 and 1,868.85 is: 2,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.20 : 3,797.37 = 1,868.85 : x
  2. Step 2: Convert to fraction form
    2,752.20/3,797.37 = 1,868.85/x
  3. Step 3: Cross multiply
    2,752.20x = 3,797.37 × 1,868.85
  4. Step 4: Simplify right side
    2,752.20x = 7,096,714.92
  5. Step 5: Solve for x
    x = 7,096,714.92/2,752.20
  6. Step 6: Final answer
    x = 2,578.56

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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.