Home / 3,946.32-5,439.84-2,950.08

Finding the Fourth Proportional to 3,946.32, 5,439.84 and 2,950.08

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Solution

The fourth proportional to 3,946.32, 5,439.84 and 2,950.08 is: 4,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.32 : 5,439.84 = 2,950.08 : x
  2. Step 2: Convert to fraction form
    3,946.32/5,439.84 = 2,950.08/x
  3. Step 3: Cross multiply
    3,946.32x = 5,439.84 × 2,950.08
  4. Step 4: Simplify right side
    3,946.32x = 16,047,963.19
  5. Step 5: Solve for x
    x = 16,047,963.19/3,946.32
  6. Step 6: Final answer
    x = 4,066.56

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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.