Home / 4,098.80-6,151.40-1,907.80

Finding the Fourth Proportional to 4,098.80, 6,151.40 and 1,907.80

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Solution

The fourth proportional to 4,098.80, 6,151.40 and 1,907.80 is: 2,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.80 : 6,151.40 = 1,907.80 : x
  2. Step 2: Convert to fraction form
    4,098.80/6,151.40 = 1,907.80/x
  3. Step 3: Cross multiply
    4,098.80x = 6,151.40 × 1,907.80
  4. Step 4: Simplify right side
    4,098.80x = 11,735,640.92
  5. Step 5: Solve for x
    x = 11,735,640.92/4,098.80
  6. Step 6: Final answer
    x = 2,863.19

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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.