Home / 3,493-4,821.56-2,448.12

Finding the Fourth Proportional to 3,493, 4,821.56 and 2,448.12

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Solution

The fourth proportional to 3,493, 4,821.56 and 2,448.12 is: 3,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493 : 4,821.56 = 2,448.12 : x
  2. Step 2: Convert to fraction form
    3,493/4,821.56 = 2,448.12/x
  3. Step 3: Cross multiply
    3,493x = 4,821.56 × 2,448.12
  4. Step 4: Simplify right side
    3,493x = 11,803,757.47
  5. Step 5: Solve for x
    x = 11,803,757.47/3,493
  6. Step 6: Final answer
    x = 3,379.26

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1.5x scale

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.