Home / 3,696.86-5,103.34-2,438.66

Finding the Fourth Proportional to 3,696.86, 5,103.34 and 2,438.66

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Solution

The fourth proportional to 3,696.86, 5,103.34 and 2,438.66 is: 3,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.86 : 5,103.34 = 2,438.66 : x
  2. Step 2: Convert to fraction form
    3,696.86/5,103.34 = 2,438.66/x
  3. Step 3: Cross multiply
    3,696.86x = 5,103.34 × 2,438.66
  4. Step 4: Simplify right side
    3,696.86x = 12,445,311.12
  5. Step 5: Solve for x
    x = 12,445,311.12/3,696.86
  6. Step 6: Final answer
    x = 3,366.45

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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.