Home / 3,636.21-5,454.99-2,077.98

Finding the Fourth Proportional to 3,636.21, 5,454.99 and 2,077.98

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Solution

The fourth proportional to 3,636.21, 5,454.99 and 2,077.98 is: 3,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.21 : 5,454.99 = 2,077.98 : x
  2. Step 2: Convert to fraction form
    3,636.21/5,454.99 = 2,077.98/x
  3. Step 3: Cross multiply
    3,636.21x = 5,454.99 × 2,077.98
  4. Step 4: Simplify right side
    3,636.21x = 11,335,360.12
  5. Step 5: Solve for x
    x = 11,335,360.12/3,636.21
  6. Step 6: Final answer
    x = 3,117.36

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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.