Home / 1,745.90-2,619.02-575.43

Finding the Fourth Proportional to 1,745.90, 2,619.02 and 575.43

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Solution

The fourth proportional to 1,745.90, 2,619.02 and 575.43 is: 863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.90 : 2,619.02 = 575.43 : x
  2. Step 2: Convert to fraction form
    1,745.90/2,619.02 = 575.43/x
  3. Step 3: Cross multiply
    1,745.90x = 2,619.02 × 575.43
  4. Step 4: Simplify right side
    1,745.90x = 1,507,062.68
  5. Step 5: Solve for x
    x = 1,507,062.68/1,745.90
  6. Step 6: Final answer
    x = 863.20

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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.