Home / 4,019.49-5,534.84-3,355.20

Finding the Fourth Proportional to 4,019.49, 5,534.84 and 3,355.20

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Solution

The fourth proportional to 4,019.49, 5,534.84 and 3,355.20 is: 4,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.49 : 5,534.84 = 3,355.20 : x
  2. Step 2: Convert to fraction form
    4,019.49/5,534.84 = 3,355.20/x
  3. Step 3: Cross multiply
    4,019.49x = 5,534.84 × 3,355.20
  4. Step 4: Simplify right side
    4,019.49x = 18,570,503.56
  5. Step 5: Solve for x
    x = 18,570,503.56/4,019.49
  6. Step 6: Final answer
    x = 4,620.11

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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.