Home / 2,848.78-4,272.58-1,093.20

Finding the Fourth Proportional to 2,848.78, 4,272.58 and 1,093.20

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Solution

The fourth proportional to 2,848.78, 4,272.58 and 1,093.20 is: 1,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.78 : 4,272.58 = 1,093.20 : x
  2. Step 2: Convert to fraction form
    2,848.78/4,272.58 = 1,093.20/x
  3. Step 3: Cross multiply
    2,848.78x = 4,272.58 × 1,093.20
  4. Step 4: Simplify right side
    2,848.78x = 4,670,784.46
  5. Step 5: Solve for x
    x = 4,670,784.46/2,848.78
  6. Step 6: Final answer
    x = 1,639.57

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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.