Home / 3,880.09-5,820.54-2,236.60

Finding the Fourth Proportional to 3,880.09, 5,820.54 and 2,236.60

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Solution

The fourth proportional to 3,880.09, 5,820.54 and 2,236.60 is: 3,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.09 : 5,820.54 = 2,236.60 : x
  2. Step 2: Convert to fraction form
    3,880.09/5,820.54 = 2,236.60/x
  3. Step 3: Cross multiply
    3,880.09x = 5,820.54 × 2,236.60
  4. Step 4: Simplify right side
    3,880.09x = 13,018,219.76
  5. Step 5: Solve for x
    x = 13,018,219.76/3,880.09
  6. Step 6: Final answer
    x = 3,355.13

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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.