Home / 1,456.80-2,185.92-591.36

Finding the Fourth Proportional to 1,456.80, 2,185.92 and 591.36

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Solution

The fourth proportional to 1,456.80, 2,185.92 and 591.36 is: 887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.80 : 2,185.92 = 591.36 : x
  2. Step 2: Convert to fraction form
    1,456.80/2,185.92 = 591.36/x
  3. Step 3: Cross multiply
    1,456.80x = 2,185.92 × 591.36
  4. Step 4: Simplify right side
    1,456.80x = 1,292,665.65
  5. Step 5: Solve for x
    x = 1,292,665.65/1,456.80
  6. Step 6: Final answer
    x = 887.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.