Home / 2,669.19-3,684.20-1,550.49

Finding the Fourth Proportional to 2,669.19, 3,684.20 and 1,550.49

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Solution

The fourth proportional to 2,669.19, 3,684.20 and 1,550.49 is: 2,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.19 : 3,684.20 = 1,550.49 : x
  2. Step 2: Convert to fraction form
    2,669.19/3,684.20 = 1,550.49/x
  3. Step 3: Cross multiply
    2,669.19x = 3,684.20 × 1,550.49
  4. Step 4: Simplify right side
    2,669.19x = 5,712,315.26
  5. Step 5: Solve for x
    x = 5,712,315.26/2,669.19
  6. Step 6: Final answer
    x = 2,140.09

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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.