Home / 1,736.39-2,604.58-437.86

Finding the Fourth Proportional to 1,736.39, 2,604.58 and 437.86

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Solution

The fourth proportional to 1,736.39, 2,604.58 and 437.86 is: 656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.39 : 2,604.58 = 437.86 : x
  2. Step 2: Convert to fraction form
    1,736.39/2,604.58 = 437.86/x
  3. Step 3: Cross multiply
    1,736.39x = 2,604.58 × 437.86
  4. Step 4: Simplify right side
    1,736.39x = 1,140,441.40
  5. Step 5: Solve for x
    x = 1,140,441.40/1,736.39
  6. Step 6: Final answer
    x = 656.79

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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.