Home / 3,745.29-5,617.92-1,555.56

Finding the Fourth Proportional to 3,745.29, 5,617.92 and 1,555.56

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Solution

The fourth proportional to 3,745.29, 5,617.92 and 1,555.56 is: 2,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.29 : 5,617.92 = 1,555.56 : x
  2. Step 2: Convert to fraction form
    3,745.29/5,617.92 = 1,555.56/x
  3. Step 3: Cross multiply
    3,745.29x = 5,617.92 × 1,555.56
  4. Step 4: Simplify right side
    3,745.29x = 8,739,011.64
  5. Step 5: Solve for x
    x = 8,739,011.64/3,745.29
  6. Step 6: Final answer
    x = 2,333.33

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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.