Home / 2,700.34-3,726.41-1,521.28

Finding the Fourth Proportional to 2,700.34, 3,726.41 and 1,521.28

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Solution

The fourth proportional to 2,700.34, 3,726.41 and 1,521.28 is: 2,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.34 : 3,726.41 = 1,521.28 : x
  2. Step 2: Convert to fraction form
    2,700.34/3,726.41 = 1,521.28/x
  3. Step 3: Cross multiply
    2,700.34x = 3,726.41 × 1,521.28
  4. Step 4: Simplify right side
    2,700.34x = 5,668,910.06
  5. Step 5: Solve for x
    x = 5,668,910.06/2,700.34
  6. Step 6: Final answer
    x = 2,099.33

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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.