Home / 1,803.22-2,702.39-1,589.38

Finding the Fourth Proportional to 1,803.22, 2,702.39 and 1,589.38

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Solution

The fourth proportional to 1,803.22, 2,702.39 and 1,589.38 is: 2,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.22 : 2,702.39 = 1,589.38 : x
  2. Step 2: Convert to fraction form
    1,803.22/2,702.39 = 1,589.38/x
  3. Step 3: Cross multiply
    1,803.22x = 2,702.39 × 1,589.38
  4. Step 4: Simplify right side
    1,803.22x = 4,295,109.92
  5. Step 5: Solve for x
    x = 4,295,109.92/1,803.22
  6. Step 6: Final answer
    x = 2,381.91

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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.