Home / 3,486.03-4,809.10-2,226.45

Finding the Fourth Proportional to 3,486.03, 4,809.10 and 2,226.45

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Solution

The fourth proportional to 3,486.03, 4,809.10 and 2,226.45 is: 3,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.03 : 4,809.10 = 2,226.45 : x
  2. Step 2: Convert to fraction form
    3,486.03/4,809.10 = 2,226.45/x
  3. Step 3: Cross multiply
    3,486.03x = 4,809.10 × 2,226.45
  4. Step 4: Simplify right side
    3,486.03x = 10,707,220.70
  5. Step 5: Solve for x
    x = 10,707,220.70/3,486.03
  6. Step 6: Final answer
    x = 3,071.47

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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.