Home / 1,589.03-2,380.94-1,528.28

Finding the Fourth Proportional to 1,589.03, 2,380.94 and 1,528.28

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Solution

The fourth proportional to 1,589.03, 2,380.94 and 1,528.28 is: 2,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.03 : 2,380.94 = 1,528.28 : x
  2. Step 2: Convert to fraction form
    1,589.03/2,380.94 = 1,528.28/x
  3. Step 3: Cross multiply
    1,589.03x = 2,380.94 × 1,528.28
  4. Step 4: Simplify right side
    1,589.03x = 3,638,723.44
  5. Step 5: Solve for x
    x = 3,638,723.44/1,589.03
  6. Step 6: Final answer
    x = 2,289.91

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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.