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Finding the Fourth Proportional to 2,843.66, 3,924.43 and 1,601.74

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Solution

The fourth proportional to 2,843.66, 3,924.43 and 1,601.74 is: 2,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.66 : 3,924.43 = 1,601.74 : x
  2. Step 2: Convert to fraction form
    2,843.66/3,924.43 = 1,601.74/x
  3. Step 3: Cross multiply
    2,843.66x = 3,924.43 × 1,601.74
  4. Step 4: Simplify right side
    2,843.66x = 6,285,916.51
  5. Step 5: Solve for x
    x = 6,285,916.51/2,843.66
  6. Step 6: Final answer
    x = 2,210.50

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1.5x scale

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.