Home / 3,330.90-4,996.35-1,382.58

Finding the Fourth Proportional to 3,330.90, 4,996.35 and 1,382.58

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Solution

The fourth proportional to 3,330.90, 4,996.35 and 1,382.58 is: 2,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.90 : 4,996.35 = 1,382.58 : x
  2. Step 2: Convert to fraction form
    3,330.90/4,996.35 = 1,382.58/x
  3. Step 3: Cross multiply
    3,330.90x = 4,996.35 × 1,382.58
  4. Step 4: Simplify right side
    3,330.90x = 6,907,853.58
  5. Step 5: Solve for x
    x = 6,907,853.58/3,330.90
  6. Step 6: Final answer
    x = 2,073.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.