Home / 2,418.24-3,336-1,485.12

Finding the Fourth Proportional to 2,418.24, 3,336 and 1,485.12

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Solution

The fourth proportional to 2,418.24, 3,336 and 1,485.12 is: 2,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.24 : 3,336 = 1,485.12 : x
  2. Step 2: Convert to fraction form
    2,418.24/3,336 = 1,485.12/x
  3. Step 3: Cross multiply
    2,418.24x = 3,336 × 1,485.12
  4. Step 4: Simplify right side
    2,418.24x = 4,954,360.32
  5. Step 5: Solve for x
    x = 4,954,360.32/2,418.24
  6. Step 6: Final answer
    x = 2,048.75

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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.