Home / 3,589.41-5,381.91-1,395.58

Finding the Fourth Proportional to 3,589.41, 5,381.91 and 1,395.58

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Solution

The fourth proportional to 3,589.41, 5,381.91 and 1,395.58 is: 2,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.41 : 5,381.91 = 1,395.58 : x
  2. Step 2: Convert to fraction form
    3,589.41/5,381.91 = 1,395.58/x
  3. Step 3: Cross multiply
    3,589.41x = 5,381.91 × 1,395.58
  4. Step 4: Simplify right side
    3,589.41x = 7,510,885.96
  5. Step 5: Solve for x
    x = 7,510,885.96/3,589.41
  6. Step 6: Final answer
    x = 2,092.51

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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.