Home / 2,989.19-4,125.48-2,241.96

Finding the Fourth Proportional to 2,989.19, 4,125.48 and 2,241.96

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Solution

The fourth proportional to 2,989.19, 4,125.48 and 2,241.96 is: 3,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.19 : 4,125.48 = 2,241.96 : x
  2. Step 2: Convert to fraction form
    2,989.19/4,125.48 = 2,241.96/x
  3. Step 3: Cross multiply
    2,989.19x = 4,125.48 × 2,241.96
  4. Step 4: Simplify right side
    2,989.19x = 9,249,161.14
  5. Step 5: Solve for x
    x = 9,249,161.14/2,989.19
  6. Step 6: Final answer
    x = 3,094.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.