Home / 2,325.86-3,204.96-2,161.82

Finding the Fourth Proportional to 2,325.86, 3,204.96 and 2,161.82

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Solution

The fourth proportional to 2,325.86, 3,204.96 and 2,161.82 is: 2,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.86 : 3,204.96 = 2,161.82 : x
  2. Step 2: Convert to fraction form
    2,325.86/3,204.96 = 2,161.82/x
  3. Step 3: Cross multiply
    2,325.86x = 3,204.96 × 2,161.82
  4. Step 4: Simplify right side
    2,325.86x = 6,928,546.63
  5. Step 5: Solve for x
    x = 6,928,546.63/2,325.86
  6. Step 6: Final answer
    x = 2,978.92

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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.