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Finding the Fourth Proportional to 4,099, 5,656.64 and 2,236

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Solution

The fourth proportional to 4,099, 5,656.64 and 2,236 is: 3,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099 : 5,656.64 = 2,236 : x
  2. Step 2: Convert to fraction form
    4,099/5,656.64 = 2,236/x
  3. Step 3: Cross multiply
    4,099x = 5,656.64 × 2,236
  4. Step 4: Simplify right side
    4,099x = 12,648,247.04
  5. Step 5: Solve for x
    x = 12,648,247.04/4,099
  6. Step 6: Final answer
    x = 3,085.69

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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.