Home / 3,923.64-5,419.42-2,933.32

Finding the Fourth Proportional to 3,923.64, 5,419.42 and 2,933.32

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Solution

The fourth proportional to 3,923.64, 5,419.42 and 2,933.32 is: 4,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.64 : 5,419.42 = 2,933.32 : x
  2. Step 2: Convert to fraction form
    3,923.64/5,419.42 = 2,933.32/x
  3. Step 3: Cross multiply
    3,923.64x = 5,419.42 × 2,933.32
  4. Step 4: Simplify right side
    3,923.64x = 15,896,893.07
  5. Step 5: Solve for x
    x = 15,896,893.07/3,923.64
  6. Step 6: Final answer
    x = 4,051.57

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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.