Home / 2,027.45-3,035.10-1,205.30

Finding the Fourth Proportional to 2,027.45, 3,035.10 and 1,205.30

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Solution

The fourth proportional to 2,027.45, 3,035.10 and 1,205.30 is: 1,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.45 : 3,035.10 = 1,205.30 : x
  2. Step 2: Convert to fraction form
    2,027.45/3,035.10 = 1,205.30/x
  3. Step 3: Cross multiply
    2,027.45x = 3,035.10 × 1,205.30
  4. Step 4: Simplify right side
    2,027.45x = 3,658,206.03
  5. Step 5: Solve for x
    x = 3,658,206.03/2,027.45
  6. Step 6: Final answer
    x = 1,804.34

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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.