Home / 2,726.54-4,089.18-1,338.48

Finding the Fourth Proportional to 2,726.54, 4,089.18 and 1,338.48

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Solution

The fourth proportional to 2,726.54, 4,089.18 and 1,338.48 is: 2,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.54 : 4,089.18 = 1,338.48 : x
  2. Step 2: Convert to fraction form
    2,726.54/4,089.18 = 1,338.48/x
  3. Step 3: Cross multiply
    2,726.54x = 4,089.18 × 1,338.48
  4. Step 4: Simplify right side
    2,726.54x = 5,473,285.65
  5. Step 5: Solve for x
    x = 5,473,285.65/2,726.54
  6. Step 6: Final answer
    x = 2,007.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.