Home / 1,233.24-1,849.62-453.72

Finding the Fourth Proportional to 1,233.24, 1,849.62 and 453.72

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Solution

The fourth proportional to 1,233.24, 1,849.62 and 453.72 is: 680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.24 : 1,849.62 = 453.72 : x
  2. Step 2: Convert to fraction form
    1,233.24/1,849.62 = 453.72/x
  3. Step 3: Cross multiply
    1,233.24x = 1,849.62 × 453.72
  4. Step 4: Simplify right side
    1,233.24x = 839,209.59
  5. Step 5: Solve for x
    x = 839,209.59/1,233.24
  6. Step 6: Final answer
    x = 680.49

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1.5x scale

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.