Home / 3,254.16-4,881.38-945.66

Finding the Fourth Proportional to 3,254.16, 4,881.38 and 945.66

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Solution

The fourth proportional to 3,254.16, 4,881.38 and 945.66 is: 1,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.16 : 4,881.38 = 945.66 : x
  2. Step 2: Convert to fraction form
    3,254.16/4,881.38 = 945.66/x
  3. Step 3: Cross multiply
    3,254.16x = 4,881.38 × 945.66
  4. Step 4: Simplify right side
    3,254.16x = 4,616,121.08
  5. Step 5: Solve for x
    x = 4,616,121.08/3,254.16
  6. Step 6: Final answer
    x = 1,418.53

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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.