Home / 3,695.09-5,542.62-921.76

Finding the Fourth Proportional to 3,695.09, 5,542.62 and 921.76

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Solution

The fourth proportional to 3,695.09, 5,542.62 and 921.76 is: 1,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.09 : 5,542.62 = 921.76 : x
  2. Step 2: Convert to fraction form
    3,695.09/5,542.62 = 921.76/x
  3. Step 3: Cross multiply
    3,695.09x = 5,542.62 × 921.76
  4. Step 4: Simplify right side
    3,695.09x = 5,108,933.09
  5. Step 5: Solve for x
    x = 5,108,933.09/3,695.09
  6. Step 6: Final answer
    x = 1,382.63

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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.