Home / 3,330.01-4,989.21-2,161.18

Finding the Fourth Proportional to 3,330.01, 4,989.21 and 2,161.18

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Solution

The fourth proportional to 3,330.01, 4,989.21 and 2,161.18 is: 3,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.01 : 4,989.21 = 2,161.18 : x
  2. Step 2: Convert to fraction form
    3,330.01/4,989.21 = 2,161.18/x
  3. Step 3: Cross multiply
    3,330.01x = 4,989.21 × 2,161.18
  4. Step 4: Simplify right side
    3,330.01x = 10,782,580.87
  5. Step 5: Solve for x
    x = 10,782,580.87/3,330.01
  6. Step 6: Final answer
    x = 3,238.00

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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.