Home / 1,974.57-2,947.46-1,827.96

Finding the Fourth Proportional to 1,974.57, 2,947.46 and 1,827.96

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Solution

The fourth proportional to 1,974.57, 2,947.46 and 1,827.96 is: 2,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.57 : 2,947.46 = 1,827.96 : x
  2. Step 2: Convert to fraction form
    1,974.57/2,947.46 = 1,827.96/x
  3. Step 3: Cross multiply
    1,974.57x = 2,947.46 × 1,827.96
  4. Step 4: Simplify right side
    1,974.57x = 5,387,838.98
  5. Step 5: Solve for x
    x = 5,387,838.98/1,974.57
  6. Step 6: Final answer
    x = 2,728.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.