Home / 2,934.75-4,395.90-2,055.16

Finding the Fourth Proportional to 2,934.75, 4,395.90 and 2,055.16

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Solution

The fourth proportional to 2,934.75, 4,395.90 and 2,055.16 is: 3,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.75 : 4,395.90 = 2,055.16 : x
  2. Step 2: Convert to fraction form
    2,934.75/4,395.90 = 2,055.16/x
  3. Step 3: Cross multiply
    2,934.75x = 4,395.90 × 2,055.16
  4. Step 4: Simplify right side
    2,934.75x = 9,034,277.84
  5. Step 5: Solve for x
    x = 9,034,277.84/2,934.75
  6. Step 6: Final answer
    x = 3,078.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.