Home / 1,057.11-1,458.79-591.36

Finding the Fourth Proportional to 1,057.11, 1,458.79 and 591.36

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Solution

The fourth proportional to 1,057.11, 1,458.79 and 591.36 is: 816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.11 : 1,458.79 = 591.36 : x
  2. Step 2: Convert to fraction form
    1,057.11/1,458.79 = 591.36/x
  3. Step 3: Cross multiply
    1,057.11x = 1,458.79 × 591.36
  4. Step 4: Simplify right side
    1,057.11x = 862,670.05
  5. Step 5: Solve for x
    x = 862,670.05/1,057.11
  6. Step 6: Final answer
    x = 816.06

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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.