Home / 2,965.86-4,092.80-1,639.58

Finding the Fourth Proportional to 2,965.86, 4,092.80 and 1,639.58

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Solution

The fourth proportional to 2,965.86, 4,092.80 and 1,639.58 is: 2,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.86 : 4,092.80 = 1,639.58 : x
  2. Step 2: Convert to fraction form
    2,965.86/4,092.80 = 1,639.58/x
  3. Step 3: Cross multiply
    2,965.86x = 4,092.80 × 1,639.58
  4. Step 4: Simplify right side
    2,965.86x = 6,710,444.36
  5. Step 5: Solve for x
    x = 6,710,444.36/2,965.86
  6. Step 6: Final answer
    x = 2,262.56

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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.