Home / 2,938.22-4,407.44-1,089.80

Finding the Fourth Proportional to 2,938.22, 4,407.44 and 1,089.80

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Solution

The fourth proportional to 2,938.22, 4,407.44 and 1,089.80 is: 1,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.22 : 4,407.44 = 1,089.80 : x
  2. Step 2: Convert to fraction form
    2,938.22/4,407.44 = 1,089.80/x
  3. Step 3: Cross multiply
    2,938.22x = 4,407.44 × 1,089.80
  4. Step 4: Simplify right side
    2,938.22x = 4,803,228.11
  5. Step 5: Solve for x
    x = 4,803,228.11/2,938.22
  6. Step 6: Final answer
    x = 1,634.74

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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.