Home / 1,011.02-1,394.82-591.44

Finding the Fourth Proportional to 1,011.02, 1,394.82 and 591.44

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Solution

The fourth proportional to 1,011.02, 1,394.82 and 591.44 is: 815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.02 : 1,394.82 = 591.44 : x
  2. Step 2: Convert to fraction form
    1,011.02/1,394.82 = 591.44/x
  3. Step 3: Cross multiply
    1,011.02x = 1,394.82 × 591.44
  4. Step 4: Simplify right side
    1,011.02x = 824,945.37
  5. Step 5: Solve for x
    x = 824,945.37/1,011.02
  6. Step 6: Final answer
    x = 815.96

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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.