Home / 3,660.20-5,490.30-1,714.58

Finding the Fourth Proportional to 3,660.20, 5,490.30 and 1,714.58

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Solution

The fourth proportional to 3,660.20, 5,490.30 and 1,714.58 is: 2,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.20 : 5,490.30 = 1,714.58 : x
  2. Step 2: Convert to fraction form
    3,660.20/5,490.30 = 1,714.58/x
  3. Step 3: Cross multiply
    3,660.20x = 5,490.30 × 1,714.58
  4. Step 4: Simplify right side
    3,660.20x = 9,413,558.57
  5. Step 5: Solve for x
    x = 9,413,558.57/3,660.20
  6. Step 6: Final answer
    x = 2,571.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.