Home / 1,313.06-1,959.34-1,196.62

Finding the Fourth Proportional to 1,313.06, 1,959.34 and 1,196.62

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Solution

The fourth proportional to 1,313.06, 1,959.34 and 1,196.62 is: 1,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.06 : 1,959.34 = 1,196.62 : x
  2. Step 2: Convert to fraction form
    1,313.06/1,959.34 = 1,196.62/x
  3. Step 3: Cross multiply
    1,313.06x = 1,959.34 × 1,196.62
  4. Step 4: Simplify right side
    1,313.06x = 2,344,585.43
  5. Step 5: Solve for x
    x = 2,344,585.43/1,313.06
  6. Step 6: Final answer
    x = 1,785.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.