Home / 3,624.36-5,436.17-992.10

Finding the Fourth Proportional to 3,624.36, 5,436.17 and 992.10

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Solution

The fourth proportional to 3,624.36, 5,436.17 and 992.10 is: 1,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.36 : 5,436.17 = 992.10 : x
  2. Step 2: Convert to fraction form
    3,624.36/5,436.17 = 992.10/x
  3. Step 3: Cross multiply
    3,624.36x = 5,436.17 × 992.10
  4. Step 4: Simplify right side
    3,624.36x = 5,393,192.12
  5. Step 5: Solve for x
    x = 5,393,192.12/3,624.36
  6. Step 6: Final answer
    x = 1,488.04

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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.