Home / 3,263.85-4,502.43-3,138.03

Finding the Fourth Proportional to 3,263.85, 4,502.43 and 3,138.03

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Solution

The fourth proportional to 3,263.85, 4,502.43 and 3,138.03 is: 4,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.85 : 4,502.43 = 3,138.03 : x
  2. Step 2: Convert to fraction form
    3,263.85/4,502.43 = 3,138.03/x
  3. Step 3: Cross multiply
    3,263.85x = 4,502.43 × 3,138.03
  4. Step 4: Simplify right side
    3,263.85x = 14,128,760.41
  5. Step 5: Solve for x
    x = 14,128,760.41/3,263.85
  6. Step 6: Final answer
    x = 4,328.86

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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.