Home / 2,318.65-3,199.82-1,324.06

Finding the Fourth Proportional to 2,318.65, 3,199.82 and 1,324.06

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Solution

The fourth proportional to 2,318.65, 3,199.82 and 1,324.06 is: 1,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.65 : 3,199.82 = 1,324.06 : x
  2. Step 2: Convert to fraction form
    2,318.65/3,199.82 = 1,324.06/x
  3. Step 3: Cross multiply
    2,318.65x = 3,199.82 × 1,324.06
  4. Step 4: Simplify right side
    2,318.65x = 4,236,739.05
  5. Step 5: Solve for x
    x = 4,236,739.05/2,318.65
  6. Step 6: Final answer
    x = 1,827.25

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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.