Home / 3,455.43-5,180.22-1,233.60

Finding the Fourth Proportional to 3,455.43, 5,180.22 and 1,233.60

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Solution

The fourth proportional to 3,455.43, 5,180.22 and 1,233.60 is: 1,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.43 : 5,180.22 = 1,233.60 : x
  2. Step 2: Convert to fraction form
    3,455.43/5,180.22 = 1,233.60/x
  3. Step 3: Cross multiply
    3,455.43x = 5,180.22 × 1,233.60
  4. Step 4: Simplify right side
    3,455.43x = 6,390,319.39
  5. Step 5: Solve for x
    x = 6,390,319.39/3,455.43
  6. Step 6: Final answer
    x = 1,849.36

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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.