Home / 3,010.31-4,518.18-1,778.84

Finding the Fourth Proportional to 3,010.31, 4,518.18 and 1,778.84

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Solution

The fourth proportional to 3,010.31, 4,518.18 and 1,778.84 is: 2,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.31 : 4,518.18 = 1,778.84 : x
  2. Step 2: Convert to fraction form
    3,010.31/4,518.18 = 1,778.84/x
  3. Step 3: Cross multiply
    3,010.31x = 4,518.18 × 1,778.84
  4. Step 4: Simplify right side
    3,010.31x = 8,037,119.31
  5. Step 5: Solve for x
    x = 8,037,119.31/3,010.31
  6. Step 6: Final answer
    x = 2,669.86

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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.