Home / 3,486.75-4,809.93-2,226.48

Finding the Fourth Proportional to 3,486.75, 4,809.93 and 2,226.48

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Solution

The fourth proportional to 3,486.75, 4,809.93 and 2,226.48 is: 3,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.75 : 4,809.93 = 2,226.48 : x
  2. Step 2: Convert to fraction form
    3,486.75/4,809.93 = 2,226.48/x
  3. Step 3: Cross multiply
    3,486.75x = 4,809.93 × 2,226.48
  4. Step 4: Simplify right side
    3,486.75x = 10,709,212.95
  5. Step 5: Solve for x
    x = 10,709,212.95/3,486.75
  6. Step 6: Final answer
    x = 3,071.40

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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.