Home / 1,313.71-1,968.24-1,170.70

Finding the Fourth Proportional to 1,313.71, 1,968.24 and 1,170.70

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Solution

The fourth proportional to 1,313.71, 1,968.24 and 1,170.70 is: 1,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.71 : 1,968.24 = 1,170.70 : x
  2. Step 2: Convert to fraction form
    1,313.71/1,968.24 = 1,170.70/x
  3. Step 3: Cross multiply
    1,313.71x = 1,968.24 × 1,170.70
  4. Step 4: Simplify right side
    1,313.71x = 2,304,218.57
  5. Step 5: Solve for x
    x = 2,304,218.57/1,313.71
  6. Step 6: Final answer
    x = 1,753.98

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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.