Home / 2,965.55-4,092.42-1,639.23

Finding the Fourth Proportional to 2,965.55, 4,092.42 and 1,639.23

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Solution

The fourth proportional to 2,965.55, 4,092.42 and 1,639.23 is: 2,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.55 : 4,092.42 = 1,639.23 : x
  2. Step 2: Convert to fraction form
    2,965.55/4,092.42 = 1,639.23/x
  3. Step 3: Cross multiply
    2,965.55x = 4,092.42 × 1,639.23
  4. Step 4: Simplify right side
    2,965.55x = 6,708,417.64
  5. Step 5: Solve for x
    x = 6,708,417.64/2,965.55
  6. Step 6: Final answer
    x = 2,262.11

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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.