Home / 2,211.23-3,316.64-1,116.33

Finding the Fourth Proportional to 2,211.23, 3,316.64 and 1,116.33

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Solution

The fourth proportional to 2,211.23, 3,316.64 and 1,116.33 is: 1,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.23 : 3,316.64 = 1,116.33 : x
  2. Step 2: Convert to fraction form
    2,211.23/3,316.64 = 1,116.33/x
  3. Step 3: Cross multiply
    2,211.23x = 3,316.64 × 1,116.33
  4. Step 4: Simplify right side
    2,211.23x = 3,702,459.15
  5. Step 5: Solve for x
    x = 3,702,459.15/2,211.23
  6. Step 6: Final answer
    x = 1,674.39

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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.