Home / 3,886.32-5,361.60-3,045.54

Finding the Fourth Proportional to 3,886.32, 5,361.60 and 3,045.54

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Solution

The fourth proportional to 3,886.32, 5,361.60 and 3,045.54 is: 4,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.32 : 5,361.60 = 3,045.54 : x
  2. Step 2: Convert to fraction form
    3,886.32/5,361.60 = 3,045.54/x
  3. Step 3: Cross multiply
    3,886.32x = 5,361.60 × 3,045.54
  4. Step 4: Simplify right side
    3,886.32x = 16,328,967.26
  5. Step 5: Solve for x
    x = 16,328,967.26/3,886.32
  6. Step 6: Final answer
    x = 4,201.65

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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.