Home / 3,622.16-4,996.89-2,130.05

Finding the Fourth Proportional to 3,622.16, 4,996.89 and 2,130.05

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Solution

The fourth proportional to 3,622.16, 4,996.89 and 2,130.05 is: 2,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.16 : 4,996.89 = 2,130.05 : x
  2. Step 2: Convert to fraction form
    3,622.16/4,996.89 = 2,130.05/x
  3. Step 3: Cross multiply
    3,622.16x = 4,996.89 × 2,130.05
  4. Step 4: Simplify right side
    3,622.16x = 10,643,625.54
  5. Step 5: Solve for x
    x = 10,643,625.54/3,622.16
  6. Step 6: Final answer
    x = 2,938.47

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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.