Home / 3,165.92-4,369.13-1,907.36

Finding the Fourth Proportional to 3,165.92, 4,369.13 and 1,907.36

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Solution

The fourth proportional to 3,165.92, 4,369.13 and 1,907.36 is: 2,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.92 : 4,369.13 = 1,907.36 : x
  2. Step 2: Convert to fraction form
    3,165.92/4,369.13 = 1,907.36/x
  3. Step 3: Cross multiply
    3,165.92x = 4,369.13 × 1,907.36
  4. Step 4: Simplify right side
    3,165.92x = 8,333,494.26
  5. Step 5: Solve for x
    x = 8,333,494.26/3,165.92
  6. Step 6: Final answer
    x = 2,632.25

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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.