Home / 2,680.25-4,018.05-1,037.99

Finding the Fourth Proportional to 2,680.25, 4,018.05 and 1,037.99

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Solution

The fourth proportional to 2,680.25, 4,018.05 and 1,037.99 is: 1,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.25 : 4,018.05 = 1,037.99 : x
  2. Step 2: Convert to fraction form
    2,680.25/4,018.05 = 1,037.99/x
  3. Step 3: Cross multiply
    2,680.25x = 4,018.05 × 1,037.99
  4. Step 4: Simplify right side
    2,680.25x = 4,170,695.72
  5. Step 5: Solve for x
    x = 4,170,695.72/2,680.25
  6. Step 6: Final answer
    x = 1,556.08

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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.