Home / 3,858.50-5,322.37-2,285.54

Finding the Fourth Proportional to 3,858.50, 5,322.37 and 2,285.54

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Solution

The fourth proportional to 3,858.50, 5,322.37 and 2,285.54 is: 3,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.50 : 5,322.37 = 2,285.54 : x
  2. Step 2: Convert to fraction form
    3,858.50/5,322.37 = 2,285.54/x
  3. Step 3: Cross multiply
    3,858.50x = 5,322.37 × 2,285.54
  4. Step 4: Simplify right side
    3,858.50x = 12,164,489.53
  5. Step 5: Solve for x
    x = 12,164,489.53/3,858.50
  6. Step 6: Final answer
    x = 3,152.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.