Home / 2,455.07-3,682.24-723.47

Finding the Fourth Proportional to 2,455.07, 3,682.24 and 723.47

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Solution

The fourth proportional to 2,455.07, 3,682.24 and 723.47 is: 1,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.07 : 3,682.24 = 723.47 : x
  2. Step 2: Convert to fraction form
    2,455.07/3,682.24 = 723.47/x
  3. Step 3: Cross multiply
    2,455.07x = 3,682.24 × 723.47
  4. Step 4: Simplify right side
    2,455.07x = 2,663,969.95
  5. Step 5: Solve for x
    x = 2,663,969.95/2,455.07
  6. Step 6: Final answer
    x = 1,085.09

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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.