Home / 2,957.74-4,081.68-1,631.44

Finding the Fourth Proportional to 2,957.74, 4,081.68 and 1,631.44

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Solution

The fourth proportional to 2,957.74, 4,081.68 and 1,631.44 is: 2,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.74 : 4,081.68 = 1,631.44 : x
  2. Step 2: Convert to fraction form
    2,957.74/4,081.68 = 1,631.44/x
  3. Step 3: Cross multiply
    2,957.74x = 4,081.68 × 1,631.44
  4. Step 4: Simplify right side
    2,957.74x = 6,659,009.14
  5. Step 5: Solve for x
    x = 6,659,009.14/2,957.74
  6. Step 6: Final answer
    x = 2,251.39

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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.