Home / 1,745.08-2,406.44-1,214.60

Finding the Fourth Proportional to 1,745.08, 2,406.44 and 1,214.60

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Solution

The fourth proportional to 1,745.08, 2,406.44 and 1,214.60 is: 1,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.08 : 2,406.44 = 1,214.60 : x
  2. Step 2: Convert to fraction form
    1,745.08/2,406.44 = 1,214.60/x
  3. Step 3: Cross multiply
    1,745.08x = 2,406.44 × 1,214.60
  4. Step 4: Simplify right side
    1,745.08x = 2,922,862.02
  5. Step 5: Solve for x
    x = 2,922,862.02/1,745.08
  6. Step 6: Final answer
    x = 1,674.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.