Home / 1,736.43-2,604.69-437.92

Finding the Fourth Proportional to 1,736.43, 2,604.69 and 437.92

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Solution

The fourth proportional to 1,736.43, 2,604.69 and 437.92 is: 656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.43 : 2,604.69 = 437.92 : x
  2. Step 2: Convert to fraction form
    1,736.43/2,604.69 = 437.92/x
  3. Step 3: Cross multiply
    1,736.43x = 2,604.69 × 437.92
  4. Step 4: Simplify right side
    1,736.43x = 1,140,645.84
  5. Step 5: Solve for x
    x = 1,140,645.84/1,736.43
  6. Step 6: Final answer
    x = 656.89

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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.