Home / 1,745.19-2,618.68-1,160.60

Finding the Fourth Proportional to 1,745.19, 2,618.68 and 1,160.60

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Solution

The fourth proportional to 1,745.19, 2,618.68 and 1,160.60 is: 1,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.19 : 2,618.68 = 1,160.60 : x
  2. Step 2: Convert to fraction form
    1,745.19/2,618.68 = 1,160.60/x
  3. Step 3: Cross multiply
    1,745.19x = 2,618.68 × 1,160.60
  4. Step 4: Simplify right side
    1,745.19x = 3,039,240.01
  5. Step 5: Solve for x
    x = 3,039,240.01/1,745.19
  6. Step 6: Final answer
    x = 1,741.50

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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.