Home / 2,403.10-3,610.73-2,135.80

Finding the Fourth Proportional to 2,403.10, 3,610.73 and 2,135.80

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Solution

The fourth proportional to 2,403.10, 3,610.73 and 2,135.80 is: 3,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.10 : 3,610.73 = 2,135.80 : x
  2. Step 2: Convert to fraction form
    2,403.10/3,610.73 = 2,135.80/x
  3. Step 3: Cross multiply
    2,403.10x = 3,610.73 × 2,135.80
  4. Step 4: Simplify right side
    2,403.10x = 7,711,797.13
  5. Step 5: Solve for x
    x = 7,711,797.13/2,403.10
  6. Step 6: Final answer
    x = 3,209.10

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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.