Home / 2,389.68-3,295.46-1,550.07

Finding the Fourth Proportional to 2,389.68, 3,295.46 and 1,550.07

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Solution

The fourth proportional to 2,389.68, 3,295.46 and 1,550.07 is: 2,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.68 : 3,295.46 = 1,550.07 : x
  2. Step 2: Convert to fraction form
    2,389.68/3,295.46 = 1,550.07/x
  3. Step 3: Cross multiply
    2,389.68x = 3,295.46 × 1,550.07
  4. Step 4: Simplify right side
    2,389.68x = 5,108,207.10
  5. Step 5: Solve for x
    x = 5,108,207.10/2,389.68
  6. Step 6: Final answer
    x = 2,137.61

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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.