Home / 1,745.08-2,618.26-718.52

Finding the Fourth Proportional to 1,745.08, 2,618.26 and 718.52

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Solution

The fourth proportional to 1,745.08, 2,618.26 and 718.52 is: 1,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.08 : 2,618.26 = 718.52 : x
  2. Step 2: Convert to fraction form
    1,745.08/2,618.26 = 718.52/x
  3. Step 3: Cross multiply
    1,745.08x = 2,618.26 × 718.52
  4. Step 4: Simplify right side
    1,745.08x = 1,881,272.18
  5. Step 5: Solve for x
    x = 1,881,272.18/1,745.08
  6. Step 6: Final answer
    x = 1,078.04

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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.