Home / 3,726.05-5,589.68-1,261.01

Finding the Fourth Proportional to 3,726.05, 5,589.68 and 1,261.01

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Solution

The fourth proportional to 3,726.05, 5,589.68 and 1,261.01 is: 1,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.05 : 5,589.68 = 1,261.01 : x
  2. Step 2: Convert to fraction form
    3,726.05/5,589.68 = 1,261.01/x
  3. Step 3: Cross multiply
    3,726.05x = 5,589.68 × 1,261.01
  4. Step 4: Simplify right side
    3,726.05x = 7,048,642.38
  5. Step 5: Solve for x
    x = 7,048,642.38/3,726.05
  6. Step 6: Final answer
    x = 1,891.72

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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.