Home / 2,830.72-4,244.64-1,907.68

Finding the Fourth Proportional to 2,830.72, 4,244.64 and 1,907.68

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Solution

The fourth proportional to 2,830.72, 4,244.64 and 1,907.68 is: 2,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.72 : 4,244.64 = 1,907.68 : x
  2. Step 2: Convert to fraction form
    2,830.72/4,244.64 = 1,907.68/x
  3. Step 3: Cross multiply
    2,830.72x = 4,244.64 × 1,907.68
  4. Step 4: Simplify right side
    2,830.72x = 8,097,414.84
  5. Step 5: Solve for x
    x = 8,097,414.84/2,830.72
  6. Step 6: Final answer
    x = 2,860.55

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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.