Home / 2,672.48-4,008.96-1,091.16

Finding the Fourth Proportional to 2,672.48, 4,008.96 and 1,091.16

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Solution

The fourth proportional to 2,672.48, 4,008.96 and 1,091.16 is: 1,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.48 : 4,008.96 = 1,091.16 : x
  2. Step 2: Convert to fraction form
    2,672.48/4,008.96 = 1,091.16/x
  3. Step 3: Cross multiply
    2,672.48x = 4,008.96 × 1,091.16
  4. Step 4: Simplify right side
    2,672.48x = 4,374,416.79
  5. Step 5: Solve for x
    x = 4,374,416.79/2,672.48
  6. Step 6: Final answer
    x = 1,636.84

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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.