Home / 3,164.73-4,748.79-1,317.12

Finding the Fourth Proportional to 3,164.73, 4,748.79 and 1,317.12

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Solution

The fourth proportional to 3,164.73, 4,748.79 and 1,317.12 is: 1,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.73 : 4,748.79 = 1,317.12 : x
  2. Step 2: Convert to fraction form
    3,164.73/4,748.79 = 1,317.12/x
  3. Step 3: Cross multiply
    3,164.73x = 4,748.79 × 1,317.12
  4. Step 4: Simplify right side
    3,164.73x = 6,254,702.54
  5. Step 5: Solve for x
    x = 6,254,702.54/3,164.73
  6. Step 6: Final answer
    x = 1,976.38

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1.5x scale

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.