Home / 2,429.06-3,643.64-697.70

Finding the Fourth Proportional to 2,429.06, 3,643.64 and 697.70

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Solution

The fourth proportional to 2,429.06, 3,643.64 and 697.70 is: 1,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.06 : 3,643.64 = 697.70 : x
  2. Step 2: Convert to fraction form
    2,429.06/3,643.64 = 697.70/x
  3. Step 3: Cross multiply
    2,429.06x = 3,643.64 × 697.70
  4. Step 4: Simplify right side
    2,429.06x = 2,542,167.63
  5. Step 5: Solve for x
    x = 2,542,167.63/2,429.06
  6. Step 6: Final answer
    x = 1,046.56

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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.