Home / 2,622.08-3,935.46-1,970.84

Finding the Fourth Proportional to 2,622.08, 3,935.46 and 1,970.84

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Solution

The fourth proportional to 2,622.08, 3,935.46 and 1,970.84 is: 2,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.08 : 3,935.46 = 1,970.84 : x
  2. Step 2: Convert to fraction form
    2,622.08/3,935.46 = 1,970.84/x
  3. Step 3: Cross multiply
    2,622.08x = 3,935.46 × 1,970.84
  4. Step 4: Simplify right side
    2,622.08x = 7,756,161.99
  5. Step 5: Solve for x
    x = 7,756,161.99/2,622.08
  6. Step 6: Final answer
    x = 2,958.02

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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.