Home / 2,669.48-3,684.68-1,550.68

Finding the Fourth Proportional to 2,669.48, 3,684.68 and 1,550.68

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Solution

The fourth proportional to 2,669.48, 3,684.68 and 1,550.68 is: 2,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.48 : 3,684.68 = 1,550.68 : x
  2. Step 2: Convert to fraction form
    2,669.48/3,684.68 = 1,550.68/x
  3. Step 3: Cross multiply
    2,669.48x = 3,684.68 × 1,550.68
  4. Step 4: Simplify right side
    2,669.48x = 5,713,759.58
  5. Step 5: Solve for x
    x = 5,713,759.58/2,669.48
  6. Step 6: Final answer
    x = 2,140.40

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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.