Home / 3,342.42-4,612.50-1,998.18

Finding the Fourth Proportional to 3,342.42, 4,612.50 and 1,998.18

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Solution

The fourth proportional to 3,342.42, 4,612.50 and 1,998.18 is: 2,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.42 : 4,612.50 = 1,998.18 : x
  2. Step 2: Convert to fraction form
    3,342.42/4,612.50 = 1,998.18/x
  3. Step 3: Cross multiply
    3,342.42x = 4,612.50 × 1,998.18
  4. Step 4: Simplify right side
    3,342.42x = 9,216,605.25
  5. Step 5: Solve for x
    x = 9,216,605.25/3,342.42
  6. Step 6: Final answer
    x = 2,757.46

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Double scale
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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.