Home / 3,368.53-5,054.96-1,636.21

Finding the Fourth Proportional to 3,368.53, 5,054.96 and 1,636.21

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Solution

The fourth proportional to 3,368.53, 5,054.96 and 1,636.21 is: 2,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.53 : 5,054.96 = 1,636.21 : x
  2. Step 2: Convert to fraction form
    3,368.53/5,054.96 = 1,636.21/x
  3. Step 3: Cross multiply
    3,368.53x = 5,054.96 × 1,636.21
  4. Step 4: Simplify right side
    3,368.53x = 8,270,976.10
  5. Step 5: Solve for x
    x = 8,270,976.10/3,368.53
  6. Step 6: Final answer
    x = 2,455.37

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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.