Home / 2,318.16-3,198.51-1,323.48

Finding the Fourth Proportional to 2,318.16, 3,198.51 and 1,323.48

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Solution

The fourth proportional to 2,318.16, 3,198.51 and 1,323.48 is: 1,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.16 : 3,198.51 = 1,323.48 : x
  2. Step 2: Convert to fraction form
    2,318.16/3,198.51 = 1,323.48/x
  3. Step 3: Cross multiply
    2,318.16x = 3,198.51 × 1,323.48
  4. Step 4: Simplify right side
    2,318.16x = 4,233,164.01
  5. Step 5: Solve for x
    x = 4,233,164.01/2,318.16
  6. Step 6: Final answer
    x = 1,826.09

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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.