Home / 1,622.40-2,433.57-1,101.11

Finding the Fourth Proportional to 1,622.40, 2,433.57 and 1,101.11

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Solution

The fourth proportional to 1,622.40, 2,433.57 and 1,101.11 is: 1,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.40 : 2,433.57 = 1,101.11 : x
  2. Step 2: Convert to fraction form
    1,622.40/2,433.57 = 1,101.11/x
  3. Step 3: Cross multiply
    1,622.40x = 2,433.57 × 1,101.11
  4. Step 4: Simplify right side
    1,622.40x = 2,679,628.26
  5. Step 5: Solve for x
    x = 2,679,628.26/1,622.40
  6. Step 6: Final answer
    x = 1,651.64

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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.