Home / 3,012.16-4,153.20-2,848

Finding the Fourth Proportional to 3,012.16, 4,153.20 and 2,848

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Solution

The fourth proportional to 3,012.16, 4,153.20 and 2,848 is: 3,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.16 : 4,153.20 = 2,848 : x
  2. Step 2: Convert to fraction form
    3,012.16/4,153.20 = 2,848/x
  3. Step 3: Cross multiply
    3,012.16x = 4,153.20 × 2,848
  4. Step 4: Simplify right side
    3,012.16x = 11,828,313.60
  5. Step 5: Solve for x
    x = 11,828,313.60/3,012.16
  6. Step 6: Final answer
    x = 3,926.85

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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.