Home / 3,504.78-5,258.57-1,424.94

Finding the Fourth Proportional to 3,504.78, 5,258.57 and 1,424.94

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Solution

The fourth proportional to 3,504.78, 5,258.57 and 1,424.94 is: 2,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.78 : 5,258.57 = 1,424.94 : x
  2. Step 2: Convert to fraction form
    3,504.78/5,258.57 = 1,424.94/x
  3. Step 3: Cross multiply
    3,504.78x = 5,258.57 × 1,424.94
  4. Step 4: Simplify right side
    3,504.78x = 7,493,170.02
  5. Step 5: Solve for x
    x = 7,493,170.02/3,504.78
  6. Step 6: Final answer
    x = 2,137.99

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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.