Home / 2,695.78-4,044.30-1,234.60

Finding the Fourth Proportional to 2,695.78, 4,044.30 and 1,234.60

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Solution

The fourth proportional to 2,695.78, 4,044.30 and 1,234.60 is: 1,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.78 : 4,044.30 = 1,234.60 : x
  2. Step 2: Convert to fraction form
    2,695.78/4,044.30 = 1,234.60/x
  3. Step 3: Cross multiply
    2,695.78x = 4,044.30 × 1,234.60
  4. Step 4: Simplify right side
    2,695.78x = 4,993,092.78
  5. Step 5: Solve for x
    x = 4,993,092.78/2,695.78
  6. Step 6: Final answer
    x = 1,852.19

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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.