Home / 1,475.37-2,209.41-745.29

Finding the Fourth Proportional to 1,475.37, 2,209.41 and 745.29

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Solution

The fourth proportional to 1,475.37, 2,209.41 and 745.29 is: 1,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.37 : 2,209.41 = 745.29 : x
  2. Step 2: Convert to fraction form
    1,475.37/2,209.41 = 745.29/x
  3. Step 3: Cross multiply
    1,475.37x = 2,209.41 × 745.29
  4. Step 4: Simplify right side
    1,475.37x = 1,646,651.18
  5. Step 5: Solve for x
    x = 1,646,651.18/1,475.37
  6. Step 6: Final answer
    x = 1,116.09

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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.