Home / 2,325.18-3,485.30-1,091.60

Finding the Fourth Proportional to 2,325.18, 3,485.30 and 1,091.60

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Solution

The fourth proportional to 2,325.18, 3,485.30 and 1,091.60 is: 1,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.18 : 3,485.30 = 1,091.60 : x
  2. Step 2: Convert to fraction form
    2,325.18/3,485.30 = 1,091.60/x
  3. Step 3: Cross multiply
    2,325.18x = 3,485.30 × 1,091.60
  4. Step 4: Simplify right side
    2,325.18x = 3,804,553.48
  5. Step 5: Solve for x
    x = 3,804,553.48/2,325.18
  6. Step 6: Final answer
    x = 1,636.24

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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.