Home / 3,560.84-4,914.26-1,989.23

Finding the Fourth Proportional to 3,560.84, 4,914.26 and 1,989.23

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Solution

The fourth proportional to 3,560.84, 4,914.26 and 1,989.23 is: 2,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.84 : 4,914.26 = 1,989.23 : x
  2. Step 2: Convert to fraction form
    3,560.84/4,914.26 = 1,989.23/x
  3. Step 3: Cross multiply
    3,560.84x = 4,914.26 × 1,989.23
  4. Step 4: Simplify right side
    3,560.84x = 9,775,605.03
  5. Step 5: Solve for x
    x = 9,775,605.03/3,560.84
  6. Step 6: Final answer
    x = 2,745.31

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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.