Home / 3,907.65-5,391.90-2,292.02

Finding the Fourth Proportional to 3,907.65, 5,391.90 and 2,292.02

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Solution

The fourth proportional to 3,907.65, 5,391.90 and 2,292.02 is: 3,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.65 : 5,391.90 = 2,292.02 : x
  2. Step 2: Convert to fraction form
    3,907.65/5,391.90 = 2,292.02/x
  3. Step 3: Cross multiply
    3,907.65x = 5,391.90 × 2,292.02
  4. Step 4: Simplify right side
    3,907.65x = 12,358,315.68
  5. Step 5: Solve for x
    x = 12,358,315.68/3,907.65
  6. Step 6: Final answer
    x = 3,162.60

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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.