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Finding the Fourth Proportional to 3,755.79, 5,188.47 and 2,964.36

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Solution

The fourth proportional to 3,755.79, 5,188.47 and 2,964.36 is: 4,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.79 : 5,188.47 = 2,964.36 : x
  2. Step 2: Convert to fraction form
    3,755.79/5,188.47 = 2,964.36/x
  3. Step 3: Cross multiply
    3,755.79x = 5,188.47 × 2,964.36
  4. Step 4: Simplify right side
    3,755.79x = 15,380,492.93
  5. Step 5: Solve for x
    x = 15,380,492.93/3,755.79
  6. Step 6: Final answer
    x = 4,095.14

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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.