Home / 3,460.82-4,779.90-2,520.81

Finding the Fourth Proportional to 3,460.82, 4,779.90 and 2,520.81

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Solution

The fourth proportional to 3,460.82, 4,779.90 and 2,520.81 is: 3,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.82 : 4,779.90 = 2,520.81 : x
  2. Step 2: Convert to fraction form
    3,460.82/4,779.90 = 2,520.81/x
  3. Step 3: Cross multiply
    3,460.82x = 4,779.90 × 2,520.81
  4. Step 4: Simplify right side
    3,460.82x = 12,049,219.72
  5. Step 5: Solve for x
    x = 12,049,219.72/3,460.82
  6. Step 6: Final answer
    x = 3,481.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.