Home / 3,850.54-5,774.28-1,384.60

Finding the Fourth Proportional to 3,850.54, 5,774.28 and 1,384.60

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Solution

The fourth proportional to 3,850.54, 5,774.28 and 1,384.60 is: 2,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.54 : 5,774.28 = 1,384.60 : x
  2. Step 2: Convert to fraction form
    3,850.54/5,774.28 = 1,384.60/x
  3. Step 3: Cross multiply
    3,850.54x = 5,774.28 × 1,384.60
  4. Step 4: Simplify right side
    3,850.54x = 7,995,068.09
  5. Step 5: Solve for x
    x = 7,995,068.09/3,850.54
  6. Step 6: Final answer
    x = 2,076.35

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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.