Home / 2,669.65-3,684.23-1,550.36

Finding the Fourth Proportional to 2,669.65, 3,684.23 and 1,550.36

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Solution

The fourth proportional to 2,669.65, 3,684.23 and 1,550.36 is: 2,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.65 : 3,684.23 = 1,550.36 : x
  2. Step 2: Convert to fraction form
    2,669.65/3,684.23 = 1,550.36/x
  3. Step 3: Cross multiply
    2,669.65x = 3,684.23 × 1,550.36
  4. Step 4: Simplify right side
    2,669.65x = 5,711,868.28
  5. Step 5: Solve for x
    x = 5,711,868.28/2,669.65
  6. Step 6: Final answer
    x = 2,139.56

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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.