Home / 3,112.64-4,297.51-2,403.23

Finding the Fourth Proportional to 3,112.64, 4,297.51 and 2,403.23

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Solution

The fourth proportional to 3,112.64, 4,297.51 and 2,403.23 is: 3,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.64 : 4,297.51 = 2,403.23 : x
  2. Step 2: Convert to fraction form
    3,112.64/4,297.51 = 2,403.23/x
  3. Step 3: Cross multiply
    3,112.64x = 4,297.51 × 2,403.23
  4. Step 4: Simplify right side
    3,112.64x = 10,327,904.96
  5. Step 5: Solve for x
    x = 10,327,904.96/3,112.64
  6. Step 6: Final answer
    x = 3,318.05

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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.