Home / 2,518.10-3,770.67-1,649.78

Finding the Fourth Proportional to 2,518.10, 3,770.67 and 1,649.78

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Solution

The fourth proportional to 2,518.10, 3,770.67 and 1,649.78 is: 2,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.10 : 3,770.67 = 1,649.78 : x
  2. Step 2: Convert to fraction form
    2,518.10/3,770.67 = 1,649.78/x
  3. Step 3: Cross multiply
    2,518.10x = 3,770.67 × 1,649.78
  4. Step 4: Simplify right side
    2,518.10x = 6,220,775.95
  5. Step 5: Solve for x
    x = 6,220,775.95/2,518.10
  6. Step 6: Final answer
    x = 2,470.42

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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.