Home / 2,490.08-3,730.33-1,391.11

Finding the Fourth Proportional to 2,490.08, 3,730.33 and 1,391.11

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Solution

The fourth proportional to 2,490.08, 3,730.33 and 1,391.11 is: 2,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.08 : 3,730.33 = 1,391.11 : x
  2. Step 2: Convert to fraction form
    2,490.08/3,730.33 = 1,391.11/x
  3. Step 3: Cross multiply
    2,490.08x = 3,730.33 × 1,391.11
  4. Step 4: Simplify right side
    2,490.08x = 5,189,287.87
  5. Step 5: Solve for x
    x = 5,189,287.87/2,490.08
  6. Step 6: Final answer
    x = 2,083.99

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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.