Home / 1,589.57-2,192.31-1,119.03

Finding the Fourth Proportional to 1,589.57, 2,192.31 and 1,119.03

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Solution

The fourth proportional to 1,589.57, 2,192.31 and 1,119.03 is: 1,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.57 : 2,192.31 = 1,119.03 : x
  2. Step 2: Convert to fraction form
    1,589.57/2,192.31 = 1,119.03/x
  3. Step 3: Cross multiply
    1,589.57x = 2,192.31 × 1,119.03
  4. Step 4: Simplify right side
    1,589.57x = 2,453,244.10
  5. Step 5: Solve for x
    x = 2,453,244.10/1,589.57
  6. Step 6: Final answer
    x = 1,543.34

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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.