Home / 3,677.88-5,075.43-2,185.86

Finding the Fourth Proportional to 3,677.88, 5,075.43 and 2,185.86

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Solution

The fourth proportional to 3,677.88, 5,075.43 and 2,185.86 is: 3,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.88 : 5,075.43 = 2,185.86 : x
  2. Step 2: Convert to fraction form
    3,677.88/5,075.43 = 2,185.86/x
  3. Step 3: Cross multiply
    3,677.88x = 5,075.43 × 2,185.86
  4. Step 4: Simplify right side
    3,677.88x = 11,094,194.42
  5. Step 5: Solve for x
    x = 11,094,194.42/3,677.88
  6. Step 6: Final answer
    x = 3,016.46

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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.