Home / 3,342.69-5,014.65-1,121.30

Finding the Fourth Proportional to 3,342.69, 5,014.65 and 1,121.30

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Solution

The fourth proportional to 3,342.69, 5,014.65 and 1,121.30 is: 1,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.69 : 5,014.65 = 1,121.30 : x
  2. Step 2: Convert to fraction form
    3,342.69/5,014.65 = 1,121.30/x
  3. Step 3: Cross multiply
    3,342.69x = 5,014.65 × 1,121.30
  4. Step 4: Simplify right side
    3,342.69x = 5,622,921.44
  5. Step 5: Solve for x
    x = 5,622,921.44/3,342.69
  6. Step 6: Final answer
    x = 1,682.15

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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.