Home / 3,167.07-4,369.82-1,907.79

Finding the Fourth Proportional to 3,167.07, 4,369.82 and 1,907.79

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Solution

The fourth proportional to 3,167.07, 4,369.82 and 1,907.79 is: 2,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.07 : 4,369.82 = 1,907.79 : x
  2. Step 2: Convert to fraction form
    3,167.07/4,369.82 = 1,907.79/x
  3. Step 3: Cross multiply
    3,167.07x = 4,369.82 × 1,907.79
  4. Step 4: Simplify right side
    3,167.07x = 8,336,689.36
  5. Step 5: Solve for x
    x = 8,336,689.36/3,167.07
  6. Step 6: Final answer
    x = 2,632.30

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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.