Home / 1,736.29-2,604.42-437.75

Finding the Fourth Proportional to 1,736.29, 2,604.42 and 437.75

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Solution

The fourth proportional to 1,736.29, 2,604.42 and 437.75 is: 656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.29 : 2,604.42 = 437.75 : x
  2. Step 2: Convert to fraction form
    1,736.29/2,604.42 = 437.75/x
  3. Step 3: Cross multiply
    1,736.29x = 2,604.42 × 437.75
  4. Step 4: Simplify right side
    1,736.29x = 1,140,084.86
  5. Step 5: Solve for x
    x = 1,140,084.86/1,736.29
  6. Step 6: Final answer
    x = 656.62

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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.