Home / 3,385.89-4,672.59-1,893.65

Finding the Fourth Proportional to 3,385.89, 4,672.59 and 1,893.65

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Solution

The fourth proportional to 3,385.89, 4,672.59 and 1,893.65 is: 2,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.89 : 4,672.59 = 1,893.65 : x
  2. Step 2: Convert to fraction form
    3,385.89/4,672.59 = 1,893.65/x
  3. Step 3: Cross multiply
    3,385.89x = 4,672.59 × 1,893.65
  4. Step 4: Simplify right side
    3,385.89x = 8,848,250.05
  5. Step 5: Solve for x
    x = 8,848,250.05/3,385.89
  6. Step 6: Final answer
    x = 2,613.27

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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.