Home / 2,938.37-4,407.48-1,089.45

Finding the Fourth Proportional to 2,938.37, 4,407.48 and 1,089.45

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Solution

The fourth proportional to 2,938.37, 4,407.48 and 1,089.45 is: 1,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.37 : 4,407.48 = 1,089.45 : x
  2. Step 2: Convert to fraction form
    2,938.37/4,407.48 = 1,089.45/x
  3. Step 3: Cross multiply
    2,938.37x = 4,407.48 × 1,089.45
  4. Step 4: Simplify right side
    2,938.37x = 4,801,729.09
  5. Step 5: Solve for x
    x = 4,801,729.09/2,938.37
  6. Step 6: Final answer
    x = 1,634.15

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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.