Home / 2,525.70-3,780.45-1,974.90

Finding the Fourth Proportional to 2,525.70, 3,780.45 and 1,974.90

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Solution

The fourth proportional to 2,525.70, 3,780.45 and 1,974.90 is: 2,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.70 : 3,780.45 = 1,974.90 : x
  2. Step 2: Convert to fraction form
    2,525.70/3,780.45 = 1,974.90/x
  3. Step 3: Cross multiply
    2,525.70x = 3,780.45 × 1,974.90
  4. Step 4: Simplify right side
    2,525.70x = 7,466,010.71
  5. Step 5: Solve for x
    x = 7,466,010.71/2,525.70
  6. Step 6: Final answer
    x = 2,956.02

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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.