Home / 2,231.19-3,079.26-1,857.51

Finding the Fourth Proportional to 2,231.19, 3,079.26 and 1,857.51

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Solution

The fourth proportional to 2,231.19, 3,079.26 and 1,857.51 is: 2,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.19 : 3,079.26 = 1,857.51 : x
  2. Step 2: Convert to fraction form
    2,231.19/3,079.26 = 1,857.51/x
  3. Step 3: Cross multiply
    2,231.19x = 3,079.26 × 1,857.51
  4. Step 4: Simplify right side
    2,231.19x = 5,719,756.24
  5. Step 5: Solve for x
    x = 5,719,756.24/2,231.19
  6. Step 6: Final answer
    x = 2,563.55

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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.