Home / 1,313.33-1,967.68-1,170.32

Finding the Fourth Proportional to 1,313.33, 1,967.68 and 1,170.32

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Solution

The fourth proportional to 1,313.33, 1,967.68 and 1,170.32 is: 1,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.33 : 1,967.68 = 1,170.32 : x
  2. Step 2: Convert to fraction form
    1,313.33/1,967.68 = 1,170.32/x
  3. Step 3: Cross multiply
    1,313.33x = 1,967.68 × 1,170.32
  4. Step 4: Simplify right side
    1,313.33x = 2,302,809.41
  5. Step 5: Solve for x
    x = 2,302,809.41/1,313.33
  6. Step 6: Final answer
    x = 1,753.41

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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.