Home / 2,700.18-3,726.26-1,521.28

Finding the Fourth Proportional to 2,700.18, 3,726.26 and 1,521.28

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Solution

The fourth proportional to 2,700.18, 3,726.26 and 1,521.28 is: 2,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.18 : 3,726.26 = 1,521.28 : x
  2. Step 2: Convert to fraction form
    2,700.18/3,726.26 = 1,521.28/x
  3. Step 3: Cross multiply
    2,700.18x = 3,726.26 × 1,521.28
  4. Step 4: Simplify right side
    2,700.18x = 5,668,684.81
  5. Step 5: Solve for x
    x = 5,668,684.81/2,700.18
  6. Step 6: Final answer
    x = 2,099.37

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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.