Home / 3,968.32-5,476.47-2,199.93

Finding the Fourth Proportional to 3,968.32, 5,476.47 and 2,199.93

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Solution

The fourth proportional to 3,968.32, 5,476.47 and 2,199.93 is: 3,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.32 : 5,476.47 = 2,199.93 : x
  2. Step 2: Convert to fraction form
    3,968.32/5,476.47 = 2,199.93/x
  3. Step 3: Cross multiply
    3,968.32x = 5,476.47 × 2,199.93
  4. Step 4: Simplify right side
    3,968.32x = 12,047,850.65
  5. Step 5: Solve for x
    x = 12,047,850.65/3,968.32
  6. Step 6: Final answer
    x = 3,036.01

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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.