Home / 1,736.31-2,604.65-437.79

Finding the Fourth Proportional to 1,736.31, 2,604.65 and 437.79

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Solution

The fourth proportional to 1,736.31, 2,604.65 and 437.79 is: 656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.31 : 2,604.65 = 437.79 : x
  2. Step 2: Convert to fraction form
    1,736.31/2,604.65 = 437.79/x
  3. Step 3: Cross multiply
    1,736.31x = 2,604.65 × 437.79
  4. Step 4: Simplify right side
    1,736.31x = 1,140,287.53
  5. Step 5: Solve for x
    x = 1,140,287.53/1,736.31
  6. Step 6: Final answer
    x = 656.73

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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.