Home / 3,318.84-4,577.88-2,199.72

Finding the Fourth Proportional to 3,318.84, 4,577.88 and 2,199.72

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Solution

The fourth proportional to 3,318.84, 4,577.88 and 2,199.72 is: 3,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.84 : 4,577.88 = 2,199.72 : x
  2. Step 2: Convert to fraction form
    3,318.84/4,577.88 = 2,199.72/x
  3. Step 3: Cross multiply
    3,318.84x = 4,577.88 × 2,199.72
  4. Step 4: Simplify right side
    3,318.84x = 10,070,054.19
  5. Step 5: Solve for x
    x = 10,070,054.19/3,318.84
  6. Step 6: Final answer
    x = 3,034.21

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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.