Home / 3,386.12-4,672.82-1,893.96

Finding the Fourth Proportional to 3,386.12, 4,672.82 and 1,893.96

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Solution

The fourth proportional to 3,386.12, 4,672.82 and 1,893.96 is: 2,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.12 : 4,672.82 = 1,893.96 : x
  2. Step 2: Convert to fraction form
    3,386.12/4,672.82 = 1,893.96/x
  3. Step 3: Cross multiply
    3,386.12x = 4,672.82 × 1,893.96
  4. Step 4: Simplify right side
    3,386.12x = 8,850,124.70
  5. Step 5: Solve for x
    x = 8,850,124.70/3,386.12
  6. Step 6: Final answer
    x = 2,613.65

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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.