Home / 3,681.38-5,518.94-1,599.80

Finding the Fourth Proportional to 3,681.38, 5,518.94 and 1,599.80

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Solution

The fourth proportional to 3,681.38, 5,518.94 and 1,599.80 is: 2,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.38 : 5,518.94 = 1,599.80 : x
  2. Step 2: Convert to fraction form
    3,681.38/5,518.94 = 1,599.80/x
  3. Step 3: Cross multiply
    3,681.38x = 5,518.94 × 1,599.80
  4. Step 4: Simplify right side
    3,681.38x = 8,829,164.62
  5. Step 5: Solve for x
    x = 8,829,164.62/3,681.38
  6. Step 6: Final answer
    x = 2,398.33

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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.