Home / 3,603.58-4,974.19-2,112.01

Finding the Fourth Proportional to 3,603.58, 4,974.19 and 2,112.01

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Solution

The fourth proportional to 3,603.58, 4,974.19 and 2,112.01 is: 2,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.58 : 4,974.19 = 2,112.01 : x
  2. Step 2: Convert to fraction form
    3,603.58/4,974.19 = 2,112.01/x
  3. Step 3: Cross multiply
    3,603.58x = 4,974.19 × 2,112.01
  4. Step 4: Simplify right side
    3,603.58x = 10,505,521.31
  5. Step 5: Solve for x
    x = 10,505,521.31/3,603.58
  6. Step 6: Final answer
    x = 2,915.30

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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.