Home / 1,039.33-1,434.18-591.19

Finding the Fourth Proportional to 1,039.33, 1,434.18 and 591.19

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Solution

The fourth proportional to 1,039.33, 1,434.18 and 591.19 is: 815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.33 : 1,434.18 = 591.19 : x
  2. Step 2: Convert to fraction form
    1,039.33/1,434.18 = 591.19/x
  3. Step 3: Cross multiply
    1,039.33x = 1,434.18 × 591.19
  4. Step 4: Simplify right side
    1,039.33x = 847,872.87
  5. Step 5: Solve for x
    x = 847,872.87/1,039.33
  6. Step 6: Final answer
    x = 815.79

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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.