Home / 3,729.64-5,146.96-2,051.12

Finding the Fourth Proportional to 3,729.64, 5,146.96 and 2,051.12

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Solution

The fourth proportional to 3,729.64, 5,146.96 and 2,051.12 is: 2,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.64 : 5,146.96 = 2,051.12 : x
  2. Step 2: Convert to fraction form
    3,729.64/5,146.96 = 2,051.12/x
  3. Step 3: Cross multiply
    3,729.64x = 5,146.96 × 2,051.12
  4. Step 4: Simplify right side
    3,729.64x = 10,557,032.60
  5. Step 5: Solve for x
    x = 10,557,032.60/3,729.64
  6. Step 6: Final answer
    x = 2,830.58

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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.