Home / 3,488.19-5,234.08-1,927.90

Finding the Fourth Proportional to 3,488.19, 5,234.08 and 1,927.90

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Solution

The fourth proportional to 3,488.19, 5,234.08 and 1,927.90 is: 2,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.19 : 5,234.08 = 1,927.90 : x
  2. Step 2: Convert to fraction form
    3,488.19/5,234.08 = 1,927.90/x
  3. Step 3: Cross multiply
    3,488.19x = 5,234.08 × 1,927.90
  4. Step 4: Simplify right side
    3,488.19x = 10,090,784.78
  5. Step 5: Solve for x
    x = 10,090,784.78/3,488.19
  6. Step 6: Final answer
    x = 2,892.84

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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.