Home / 3,148.62-4,346.08-2,153.54

Finding the Fourth Proportional to 3,148.62, 4,346.08 and 2,153.54

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Solution

The fourth proportional to 3,148.62, 4,346.08 and 2,153.54 is: 2,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.62 : 4,346.08 = 2,153.54 : x
  2. Step 2: Convert to fraction form
    3,148.62/4,346.08 = 2,153.54/x
  3. Step 3: Cross multiply
    3,148.62x = 4,346.08 × 2,153.54
  4. Step 4: Simplify right side
    3,148.62x = 9,359,457.12
  5. Step 5: Solve for x
    x = 9,359,457.12/3,148.62
  6. Step 6: Final answer
    x = 2,972.56

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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.