Home / 2,669.45-3,682.80-1,550.18

Finding the Fourth Proportional to 2,669.45, 3,682.80 and 1,550.18

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Solution

The fourth proportional to 2,669.45, 3,682.80 and 1,550.18 is: 2,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.45 : 3,682.80 = 1,550.18 : x
  2. Step 2: Convert to fraction form
    2,669.45/3,682.80 = 1,550.18/x
  3. Step 3: Cross multiply
    2,669.45x = 3,682.80 × 1,550.18
  4. Step 4: Simplify right side
    2,669.45x = 5,709,012.11
  5. Step 5: Solve for x
    x = 5,709,012.11/2,669.45
  6. Step 6: Final answer
    x = 2,138.65

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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.