Home / 3,433.36-4,738-1,861.44

Finding the Fourth Proportional to 3,433.36, 4,738 and 1,861.44

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Solution

The fourth proportional to 3,433.36, 4,738 and 1,861.44 is: 2,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.36 : 4,738 = 1,861.44 : x
  2. Step 2: Convert to fraction form
    3,433.36/4,738 = 1,861.44/x
  3. Step 3: Cross multiply
    3,433.36x = 4,738 × 1,861.44
  4. Step 4: Simplify right side
    3,433.36x = 8,819,502.72
  5. Step 5: Solve for x
    x = 8,819,502.72/3,433.36
  6. Step 6: Final answer
    x = 2,568.77

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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.