Home / 1,836.24-2,532.92-1,313.04

Finding the Fourth Proportional to 1,836.24, 2,532.92 and 1,313.04

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Solution

The fourth proportional to 1,836.24, 2,532.92 and 1,313.04 is: 1,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.24 : 2,532.92 = 1,313.04 : x
  2. Step 2: Convert to fraction form
    1,836.24/2,532.92 = 1,313.04/x
  3. Step 3: Cross multiply
    1,836.24x = 2,532.92 × 1,313.04
  4. Step 4: Simplify right side
    1,836.24x = 3,325,825.28
  5. Step 5: Solve for x
    x = 3,325,825.28/1,836.24
  6. Step 6: Final answer
    x = 1,811.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.