Home / 1,310.81-1,955.99-1,194.37

Finding the Fourth Proportional to 1,310.81, 1,955.99 and 1,194.37

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Solution

The fourth proportional to 1,310.81, 1,955.99 and 1,194.37 is: 1,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.81 : 1,955.99 = 1,194.37 : x
  2. Step 2: Convert to fraction form
    1,310.81/1,955.99 = 1,194.37/x
  3. Step 3: Cross multiply
    1,310.81x = 1,955.99 × 1,194.37
  4. Step 4: Simplify right side
    1,310.81x = 2,336,160.02
  5. Step 5: Solve for x
    x = 2,336,160.02/1,310.81
  6. Step 6: Final answer
    x = 1,782.23

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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.