Home / 3,388.20-5,080.99-1,166.61

Finding the Fourth Proportional to 3,388.20, 5,080.99 and 1,166.61

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Solution

The fourth proportional to 3,388.20, 5,080.99 and 1,166.61 is: 1,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.20 : 5,080.99 = 1,166.61 : x
  2. Step 2: Convert to fraction form
    3,388.20/5,080.99 = 1,166.61/x
  3. Step 3: Cross multiply
    3,388.20x = 5,080.99 × 1,166.61
  4. Step 4: Simplify right side
    3,388.20x = 5,927,533.74
  5. Step 5: Solve for x
    x = 5,927,533.74/3,388.20
  6. Step 6: Final answer
    x = 1,749.46

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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.