Home / 3,539.34-4,879.80-2,418.66

Finding the Fourth Proportional to 3,539.34, 4,879.80 and 2,418.66

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Solution

The fourth proportional to 3,539.34, 4,879.80 and 2,418.66 is: 3,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.34 : 4,879.80 = 2,418.66 : x
  2. Step 2: Convert to fraction form
    3,539.34/4,879.80 = 2,418.66/x
  3. Step 3: Cross multiply
    3,539.34x = 4,879.80 × 2,418.66
  4. Step 4: Simplify right side
    3,539.34x = 11,802,577.07
  5. Step 5: Solve for x
    x = 11,802,577.07/3,539.34
  6. Step 6: Final answer
    x = 3,334.68

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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.