Home / 3,569.78-4,926.19-1,976.49

Finding the Fourth Proportional to 3,569.78, 4,926.19 and 1,976.49

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Solution

The fourth proportional to 3,569.78, 4,926.19 and 1,976.49 is: 2,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.78 : 4,926.19 = 1,976.49 : x
  2. Step 2: Convert to fraction form
    3,569.78/4,926.19 = 1,976.49/x
  3. Step 3: Cross multiply
    3,569.78x = 4,926.19 × 1,976.49
  4. Step 4: Simplify right side
    3,569.78x = 9,736,565.27
  5. Step 5: Solve for x
    x = 9,736,565.27/3,569.78
  6. Step 6: Final answer
    x = 2,727.50

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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.