Home / 3,380.96-5,070.69-1,040.58

Finding the Fourth Proportional to 3,380.96, 5,070.69 and 1,040.58

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Solution

The fourth proportional to 3,380.96, 5,070.69 and 1,040.58 is: 1,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.96 : 5,070.69 = 1,040.58 : x
  2. Step 2: Convert to fraction form
    3,380.96/5,070.69 = 1,040.58/x
  3. Step 3: Cross multiply
    3,380.96x = 5,070.69 × 1,040.58
  4. Step 4: Simplify right side
    3,380.96x = 5,276,458.60
  5. Step 5: Solve for x
    x = 5,276,458.60/3,380.96
  6. Step 6: Final answer
    x = 1,560.64

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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.