Home / 3,342.63-4,612.82-2,165.75

Finding the Fourth Proportional to 3,342.63, 4,612.82 and 2,165.75

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Solution

The fourth proportional to 3,342.63, 4,612.82 and 2,165.75 is: 2,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.63 : 4,612.82 = 2,165.75 : x
  2. Step 2: Convert to fraction form
    3,342.63/4,612.82 = 2,165.75/x
  3. Step 3: Cross multiply
    3,342.63x = 4,612.82 × 2,165.75
  4. Step 4: Simplify right side
    3,342.63x = 9,990,214.92
  5. Step 5: Solve for x
    x = 9,990,214.92/3,342.63
  6. Step 6: Final answer
    x = 2,988.73

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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.