Home / 3,497.64-5,245.86-1,305.78

Finding the Fourth Proportional to 3,497.64, 5,245.86 and 1,305.78

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Solution

The fourth proportional to 3,497.64, 5,245.86 and 1,305.78 is: 1,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.64 : 5,245.86 = 1,305.78 : x
  2. Step 2: Convert to fraction form
    3,497.64/5,245.86 = 1,305.78/x
  3. Step 3: Cross multiply
    3,497.64x = 5,245.86 × 1,305.78
  4. Step 4: Simplify right side
    3,497.64x = 6,849,939.07
  5. Step 5: Solve for x
    x = 6,849,939.07/3,497.64
  6. Step 6: Final answer
    x = 1,958.45

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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.