Home / 1,745.91-2,619.15-575.58

Finding the Fourth Proportional to 1,745.91, 2,619.15 and 575.58

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Solution

The fourth proportional to 1,745.91, 2,619.15 and 575.58 is: 863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.91 : 2,619.15 = 575.58 : x
  2. Step 2: Convert to fraction form
    1,745.91/2,619.15 = 575.58/x
  3. Step 3: Cross multiply
    1,745.91x = 2,619.15 × 575.58
  4. Step 4: Simplify right side
    1,745.91x = 1,507,530.36
  5. Step 5: Solve for x
    x = 1,507,530.36/1,745.91
  6. Step 6: Final answer
    x = 863.46

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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.