Home / 2,388.90-3,295.45-1,550.06

Finding the Fourth Proportional to 2,388.90, 3,295.45 and 1,550.06

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Solution

The fourth proportional to 2,388.90, 3,295.45 and 1,550.06 is: 2,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.90 : 3,295.45 = 1,550.06 : x
  2. Step 2: Convert to fraction form
    2,388.90/3,295.45 = 1,550.06/x
  3. Step 3: Cross multiply
    2,388.90x = 3,295.45 × 1,550.06
  4. Step 4: Simplify right side
    2,388.90x = 5,108,161.11
  5. Step 5: Solve for x
    x = 5,108,161.11/2,388.90
  6. Step 6: Final answer
    x = 2,138.29

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1.5x scale

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.