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Finding the Fourth Proportional to 2,707.38, 3,736.19 and 1,465.38

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Solution

The fourth proportional to 2,707.38, 3,736.19 and 1,465.38 is: 2,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.38 : 3,736.19 = 1,465.38 : x
  2. Step 2: Convert to fraction form
    2,707.38/3,736.19 = 1,465.38/x
  3. Step 3: Cross multiply
    2,707.38x = 3,736.19 × 1,465.38
  4. Step 4: Simplify right side
    2,707.38x = 5,474,938.10
  5. Step 5: Solve for x
    x = 5,474,938.10/2,707.38
  6. Step 6: Final answer
    x = 2,022.23

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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.