Home / 3,336.63-5,005.50-1,256.81

Finding the Fourth Proportional to 3,336.63, 5,005.50 and 1,256.81

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Solution

The fourth proportional to 3,336.63, 5,005.50 and 1,256.81 is: 1,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.63 : 5,005.50 = 1,256.81 : x
  2. Step 2: Convert to fraction form
    3,336.63/5,005.50 = 1,256.81/x
  3. Step 3: Cross multiply
    3,336.63x = 5,005.50 × 1,256.81
  4. Step 4: Simplify right side
    3,336.63x = 6,290,937.43
  5. Step 5: Solve for x
    x = 6,290,937.43/3,336.63
  6. Step 6: Final answer
    x = 1,885.42

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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.