Home / 3,656.58-5,481.98-1,316.18

Finding the Fourth Proportional to 3,656.58, 5,481.98 and 1,316.18

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Solution

The fourth proportional to 3,656.58, 5,481.98 and 1,316.18 is: 1,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.58 : 5,481.98 = 1,316.18 : x
  2. Step 2: Convert to fraction form
    3,656.58/5,481.98 = 1,316.18/x
  3. Step 3: Cross multiply
    3,656.58x = 5,481.98 × 1,316.18
  4. Step 4: Simplify right side
    3,656.58x = 7,215,272.44
  5. Step 5: Solve for x
    x = 7,215,272.44/3,656.58
  6. Step 6: Final answer
    x = 1,973.23

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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.