Home / 4,120.68-6,181.26-2,657.16

Finding the Fourth Proportional to 4,120.68, 6,181.26 and 2,657.16

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Solution

The fourth proportional to 4,120.68, 6,181.26 and 2,657.16 is: 3,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.68 : 6,181.26 = 2,657.16 : x
  2. Step 2: Convert to fraction form
    4,120.68/6,181.26 = 2,657.16/x
  3. Step 3: Cross multiply
    4,120.68x = 6,181.26 × 2,657.16
  4. Step 4: Simplify right side
    4,120.68x = 16,424,596.82
  5. Step 5: Solve for x
    x = 16,424,596.82/4,120.68
  6. Step 6: Final answer
    x = 3,985.89

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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.