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Finding the Fourth Proportional to 3,138.35, 4,707.53 and 2,733.35

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Solution

The fourth proportional to 3,138.35, 4,707.53 and 2,733.35 is: 4,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.35 : 4,707.53 = 2,733.35 : x
  2. Step 2: Convert to fraction form
    3,138.35/4,707.53 = 2,733.35/x
  3. Step 3: Cross multiply
    3,138.35x = 4,707.53 × 2,733.35
  4. Step 4: Simplify right side
    3,138.35x = 12,867,313.46
  5. Step 5: Solve for x
    x = 12,867,313.46/3,138.35
  6. Step 6: Final answer
    x = 4,100.03

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1.5x scale

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.