Home / 2,231.99-3,080.17-1,237.29

Finding the Fourth Proportional to 2,231.99, 3,080.17 and 1,237.29

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Solution

The fourth proportional to 2,231.99, 3,080.17 and 1,237.29 is: 1,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.99 : 3,080.17 = 1,237.29 : x
  2. Step 2: Convert to fraction form
    2,231.99/3,080.17 = 1,237.29/x
  3. Step 3: Cross multiply
    2,231.99x = 3,080.17 × 1,237.29
  4. Step 4: Simplify right side
    2,231.99x = 3,811,048.14
  5. Step 5: Solve for x
    x = 3,811,048.14/2,231.99
  6. Step 6: Final answer
    x = 1,707.47

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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.