Home / 3,582.70-4,944.37-1,989.53

Finding the Fourth Proportional to 3,582.70, 4,944.37 and 1,989.53

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Solution

The fourth proportional to 3,582.70, 4,944.37 and 1,989.53 is: 2,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.70 : 4,944.37 = 1,989.53 : x
  2. Step 2: Convert to fraction form
    3,582.70/4,944.37 = 1,989.53/x
  3. Step 3: Cross multiply
    3,582.70x = 4,944.37 × 1,989.53
  4. Step 4: Simplify right side
    3,582.70x = 9,836,987.29
  5. Step 5: Solve for x
    x = 9,836,987.29/3,582.70
  6. Step 6: Final answer
    x = 2,745.69

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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.