Home / 3,582.46-5,381.85-3,090.38

Finding the Fourth Proportional to 3,582.46, 5,381.85 and 3,090.38

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Solution

The fourth proportional to 3,582.46, 5,381.85 and 3,090.38 is: 4,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.46 : 5,381.85 = 3,090.38 : x
  2. Step 2: Convert to fraction form
    3,582.46/5,381.85 = 3,090.38/x
  3. Step 3: Cross multiply
    3,582.46x = 5,381.85 × 3,090.38
  4. Step 4: Simplify right side
    3,582.46x = 16,631,961.60
  5. Step 5: Solve for x
    x = 16,631,961.60/3,582.46
  6. Step 6: Final answer
    x = 4,642.62

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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.