Home / 2,783.38-4,175.90-1,613.11

Finding the Fourth Proportional to 2,783.38, 4,175.90 and 1,613.11

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Solution

The fourth proportional to 2,783.38, 4,175.90 and 1,613.11 is: 2,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.38 : 4,175.90 = 1,613.11 : x
  2. Step 2: Convert to fraction form
    2,783.38/4,175.90 = 1,613.11/x
  3. Step 3: Cross multiply
    2,783.38x = 4,175.90 × 1,613.11
  4. Step 4: Simplify right side
    2,783.38x = 6,736,186.05
  5. Step 5: Solve for x
    x = 6,736,186.05/2,783.38
  6. Step 6: Final answer
    x = 2,420.15

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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.