Home / 3,726.62-5,142.76-2,048.06

Finding the Fourth Proportional to 3,726.62, 5,142.76 and 2,048.06

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Solution

The fourth proportional to 3,726.62, 5,142.76 and 2,048.06 is: 2,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.62 : 5,142.76 = 2,048.06 : x
  2. Step 2: Convert to fraction form
    3,726.62/5,142.76 = 2,048.06/x
  3. Step 3: Cross multiply
    3,726.62x = 5,142.76 × 2,048.06
  4. Step 4: Simplify right side
    3,726.62x = 10,532,681.05
  5. Step 5: Solve for x
    x = 10,532,681.05/3,726.62
  6. Step 6: Final answer
    x = 2,826.34

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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.