Home / 1,589.19-2,193.07-881.03

Finding the Fourth Proportional to 1,589.19, 2,193.07 and 881.03

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Solution

The fourth proportional to 1,589.19, 2,193.07 and 881.03 is: 1,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.19 : 2,193.07 = 881.03 : x
  2. Step 2: Convert to fraction form
    1,589.19/2,193.07 = 881.03/x
  3. Step 3: Cross multiply
    1,589.19x = 2,193.07 × 881.03
  4. Step 4: Simplify right side
    1,589.19x = 1,932,165.94
  5. Step 5: Solve for x
    x = 1,932,165.94/1,589.19
  6. Step 6: Final answer
    x = 1,215.82

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Double scale
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1.5x scale

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.