Home / 2,127.14-3,191.77-957.96

Finding the Fourth Proportional to 2,127.14, 3,191.77 and 957.96

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Solution

The fourth proportional to 2,127.14, 3,191.77 and 957.96 is: 1,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.14 : 3,191.77 = 957.96 : x
  2. Step 2: Convert to fraction form
    2,127.14/3,191.77 = 957.96/x
  3. Step 3: Cross multiply
    2,127.14x = 3,191.77 × 957.96
  4. Step 4: Simplify right side
    2,127.14x = 3,057,583.80
  5. Step 5: Solve for x
    x = 3,057,583.80/2,127.14
  6. Step 6: Final answer
    x = 1,437.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.