Home / 2,957.57-4,081.44-1,631.39

Finding the Fourth Proportional to 2,957.57, 4,081.44 and 1,631.39

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Solution

The fourth proportional to 2,957.57, 4,081.44 and 1,631.39 is: 2,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.57 : 4,081.44 = 1,631.39 : x
  2. Step 2: Convert to fraction form
    2,957.57/4,081.44 = 1,631.39/x
  3. Step 3: Cross multiply
    2,957.57x = 4,081.44 × 1,631.39
  4. Step 4: Simplify right side
    2,957.57x = 6,658,399.99
  5. Step 5: Solve for x
    x = 6,658,399.99/2,957.57
  6. Step 6: Final answer
    x = 2,251.31

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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.