Home / 1,840.24-2,760.35-745.37

Finding the Fourth Proportional to 1,840.24, 2,760.35 and 745.37

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Solution

The fourth proportional to 1,840.24, 2,760.35 and 745.37 is: 1,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.24 : 2,760.35 = 745.37 : x
  2. Step 2: Convert to fraction form
    1,840.24/2,760.35 = 745.37/x
  3. Step 3: Cross multiply
    1,840.24x = 2,760.35 × 745.37
  4. Step 4: Simplify right side
    1,840.24x = 2,057,481.68
  5. Step 5: Solve for x
    x = 2,057,481.68/1,840.24
  6. Step 6: Final answer
    x = 1,118.05

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1.5x scale

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.