Home / 1,591.06-2,387.27-1,131.79

Finding the Fourth Proportional to 1,591.06, 2,387.27 and 1,131.79

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Solution

The fourth proportional to 1,591.06, 2,387.27 and 1,131.79 is: 1,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.06 : 2,387.27 = 1,131.79 : x
  2. Step 2: Convert to fraction form
    1,591.06/2,387.27 = 1,131.79/x
  3. Step 3: Cross multiply
    1,591.06x = 2,387.27 × 1,131.79
  4. Step 4: Simplify right side
    1,591.06x = 2,701,889.65
  5. Step 5: Solve for x
    x = 2,701,889.65/1,591.06
  6. Step 6: Final answer
    x = 1,698.17

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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.