Home / 2,313.24-3,192.24-1,318.56

Finding the Fourth Proportional to 2,313.24, 3,192.24 and 1,318.56

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Solution

The fourth proportional to 2,313.24, 3,192.24 and 1,318.56 is: 1,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.24 : 3,192.24 = 1,318.56 : x
  2. Step 2: Convert to fraction form
    2,313.24/3,192.24 = 1,318.56/x
  3. Step 3: Cross multiply
    2,313.24x = 3,192.24 × 1,318.56
  4. Step 4: Simplify right side
    2,313.24x = 4,209,159.97
  5. Step 5: Solve for x
    x = 4,209,159.97/2,313.24
  6. Step 6: Final answer
    x = 1,819.60

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1.5x scale

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.