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Finding the Fourth Proportional to 1,757.36, 2,622.36 and 1,745.21

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Solution

The fourth proportional to 1,757.36, 2,622.36 and 1,745.21 is: 2,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.36 : 2,622.36 = 1,745.21 : x
  2. Step 2: Convert to fraction form
    1,757.36/2,622.36 = 1,745.21/x
  3. Step 3: Cross multiply
    1,757.36x = 2,622.36 × 1,745.21
  4. Step 4: Simplify right side
    1,757.36x = 4,576,572.18
  5. Step 5: Solve for x
    x = 4,576,572.18/1,757.36
  6. Step 6: Final answer
    x = 2,604.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.