Home / 3,502.08-5,253.26-905.02

Finding the Fourth Proportional to 3,502.08, 5,253.26 and 905.02

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Solution

The fourth proportional to 3,502.08, 5,253.26 and 905.02 is: 1,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.08 : 5,253.26 = 905.02 : x
  2. Step 2: Convert to fraction form
    3,502.08/5,253.26 = 905.02/x
  3. Step 3: Cross multiply
    3,502.08x = 5,253.26 × 905.02
  4. Step 4: Simplify right side
    3,502.08x = 4,754,287.71
  5. Step 5: Solve for x
    x = 4,754,287.71/3,502.08
  6. Step 6: Final answer
    x = 1,357.56

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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.