Home / 3,169.64-4,754.46-1,319.60

Finding the Fourth Proportional to 3,169.64, 4,754.46 and 1,319.60

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Solution

The fourth proportional to 3,169.64, 4,754.46 and 1,319.60 is: 1,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.64 : 4,754.46 = 1,319.60 : x
  2. Step 2: Convert to fraction form
    3,169.64/4,754.46 = 1,319.60/x
  3. Step 3: Cross multiply
    3,169.64x = 4,754.46 × 1,319.60
  4. Step 4: Simplify right side
    3,169.64x = 6,273,985.42
  5. Step 5: Solve for x
    x = 6,273,985.42/3,169.64
  6. Step 6: Final answer
    x = 1,979.40

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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.