Home / 1,159.09-1,736.59-609.97

Finding the Fourth Proportional to 1,159.09, 1,736.59 and 609.97

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Solution

The fourth proportional to 1,159.09, 1,736.59 and 609.97 is: 913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.09 : 1,736.59 = 609.97 : x
  2. Step 2: Convert to fraction form
    1,159.09/1,736.59 = 609.97/x
  3. Step 3: Cross multiply
    1,159.09x = 1,736.59 × 609.97
  4. Step 4: Simplify right side
    1,159.09x = 1,059,267.80
  5. Step 5: Solve for x
    x = 1,059,267.80/1,159.09
  6. Step 6: Final answer
    x = 913.88

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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.