Home / 3,325.64-4,989.59-2,091.60

Finding the Fourth Proportional to 3,325.64, 4,989.59 and 2,091.60

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Solution

The fourth proportional to 3,325.64, 4,989.59 and 2,091.60 is: 3,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.64 : 4,989.59 = 2,091.60 : x
  2. Step 2: Convert to fraction form
    3,325.64/4,989.59 = 2,091.60/x
  3. Step 3: Cross multiply
    3,325.64x = 4,989.59 × 2,091.60
  4. Step 4: Simplify right side
    3,325.64x = 10,436,215.99
  5. Step 5: Solve for x
    x = 10,436,215.99/3,325.64
  6. Step 6: Final answer
    x = 3,138.11

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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.