Home / 3,925.64-5,422.18-2,935.32

Finding the Fourth Proportional to 3,925.64, 5,422.18 and 2,935.32

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Solution

The fourth proportional to 3,925.64, 5,422.18 and 2,935.32 is: 4,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.64 : 5,422.18 = 2,935.32 : x
  2. Step 2: Convert to fraction form
    3,925.64/5,422.18 = 2,935.32/x
  3. Step 3: Cross multiply
    3,925.64x = 5,422.18 × 2,935.32
  4. Step 4: Simplify right side
    3,925.64x = 15,915,833.40
  5. Step 5: Solve for x
    x = 15,915,833.40/3,925.64
  6. Step 6: Final answer
    x = 4,054.33

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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.