Home / 3,388.07-5,082.47-922.91

Finding the Fourth Proportional to 3,388.07, 5,082.47 and 922.91

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Solution

The fourth proportional to 3,388.07, 5,082.47 and 922.91 is: 1,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.07 : 5,082.47 = 922.91 : x
  2. Step 2: Convert to fraction form
    3,388.07/5,082.47 = 922.91/x
  3. Step 3: Cross multiply
    3,388.07x = 5,082.47 × 922.91
  4. Step 4: Simplify right side
    3,388.07x = 4,690,632.36
  5. Step 5: Solve for x
    x = 4,690,632.36/3,388.07
  6. Step 6: Final answer
    x = 1,384.46

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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.