Home / 3,639.22-5,460.45-1,907.44

Finding the Fourth Proportional to 3,639.22, 5,460.45 and 1,907.44

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Solution

The fourth proportional to 3,639.22, 5,460.45 and 1,907.44 is: 2,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.22 : 5,460.45 = 1,907.44 : x
  2. Step 2: Convert to fraction form
    3,639.22/5,460.45 = 1,907.44/x
  3. Step 3: Cross multiply
    3,639.22x = 5,460.45 × 1,907.44
  4. Step 4: Simplify right side
    3,639.22x = 10,415,480.75
  5. Step 5: Solve for x
    x = 10,415,480.75/3,639.22
  6. Step 6: Final answer
    x = 2,862.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.