Home / 3,039.72-4,186.18-3,029.96

Finding the Fourth Proportional to 3,039.72, 4,186.18 and 3,029.96

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Solution

The fourth proportional to 3,039.72, 4,186.18 and 3,029.96 is: 4,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.72 : 4,186.18 = 3,029.96 : x
  2. Step 2: Convert to fraction form
    3,039.72/4,186.18 = 3,029.96/x
  3. Step 3: Cross multiply
    3,039.72x = 4,186.18 × 3,029.96
  4. Step 4: Simplify right side
    3,039.72x = 12,683,957.95
  5. Step 5: Solve for x
    x = 12,683,957.95/3,039.72
  6. Step 6: Final answer
    x = 4,172.74

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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.