Home / 4,120.25-6,181.15-1,655.27

Finding the Fourth Proportional to 4,120.25, 6,181.15 and 1,655.27

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Solution

The fourth proportional to 4,120.25, 6,181.15 and 1,655.27 is: 2,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.25 : 6,181.15 = 1,655.27 : x
  2. Step 2: Convert to fraction form
    4,120.25/6,181.15 = 1,655.27/x
  3. Step 3: Cross multiply
    4,120.25x = 6,181.15 × 1,655.27
  4. Step 4: Simplify right side
    4,120.25x = 10,231,441.25
  5. Step 5: Solve for x
    x = 10,231,441.25/4,120.25
  6. Step 6: Final answer
    x = 2,483.21

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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.