Home / 2,525.28-3,789.84-1,292.58

Finding the Fourth Proportional to 2,525.28, 3,789.84 and 1,292.58

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Solution

The fourth proportional to 2,525.28, 3,789.84 and 1,292.58 is: 1,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.28 : 3,789.84 = 1,292.58 : x
  2. Step 2: Convert to fraction form
    2,525.28/3,789.84 = 1,292.58/x
  3. Step 3: Cross multiply
    2,525.28x = 3,789.84 × 1,292.58
  4. Step 4: Simplify right side
    2,525.28x = 4,898,676.23
  5. Step 5: Solve for x
    x = 4,898,676.23/2,525.28
  6. Step 6: Final answer
    x = 1,939.86

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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.