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Finding the Fourth Proportional to 3,809.23, 5,713.23 and 1,343.69

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Solution

The fourth proportional to 3,809.23, 5,713.23 and 1,343.69 is: 2,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.23 : 5,713.23 = 1,343.69 : x
  2. Step 2: Convert to fraction form
    3,809.23/5,713.23 = 1,343.69/x
  3. Step 3: Cross multiply
    3,809.23x = 5,713.23 × 1,343.69
  4. Step 4: Simplify right side
    3,809.23x = 7,676,807.92
  5. Step 5: Solve for x
    x = 7,676,807.92/3,809.23
  6. Step 6: Final answer
    x = 2,015.32

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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.