Home / 2,250.18-3,105.45-1,305.99

Finding the Fourth Proportional to 2,250.18, 3,105.45 and 1,305.99

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Solution

The fourth proportional to 2,250.18, 3,105.45 and 1,305.99 is: 1,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.18 : 3,105.45 = 1,305.99 : x
  2. Step 2: Convert to fraction form
    2,250.18/3,105.45 = 1,305.99/x
  3. Step 3: Cross multiply
    2,250.18x = 3,105.45 × 1,305.99
  4. Step 4: Simplify right side
    2,250.18x = 4,055,686.65
  5. Step 5: Solve for x
    x = 4,055,686.65/2,250.18
  6. Step 6: Final answer
    x = 1,802.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.