Home / 2,622.84-3,935.10-1,161.90

Finding the Fourth Proportional to 2,622.84, 3,935.10 and 1,161.90

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Solution

The fourth proportional to 2,622.84, 3,935.10 and 1,161.90 is: 1,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.84 : 3,935.10 = 1,161.90 : x
  2. Step 2: Convert to fraction form
    2,622.84/3,935.10 = 1,161.90/x
  3. Step 3: Cross multiply
    2,622.84x = 3,935.10 × 1,161.90
  4. Step 4: Simplify right side
    2,622.84x = 4,572,192.69
  5. Step 5: Solve for x
    x = 4,572,192.69/2,622.84
  6. Step 6: Final answer
    x = 1,743.22

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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.