Home / 3,300.64-4,554.90-1,974.01

Finding the Fourth Proportional to 3,300.64, 4,554.90 and 1,974.01

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Solution

The fourth proportional to 3,300.64, 4,554.90 and 1,974.01 is: 2,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.64 : 4,554.90 = 1,974.01 : x
  2. Step 2: Convert to fraction form
    3,300.64/4,554.90 = 1,974.01/x
  3. Step 3: Cross multiply
    3,300.64x = 4,554.90 × 1,974.01
  4. Step 4: Simplify right side
    3,300.64x = 8,991,418.15
  5. Step 5: Solve for x
    x = 8,991,418.15/3,300.64
  6. Step 6: Final answer
    x = 2,724.14

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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.