Home / 2,201.50-3,303.08-1,422.99

Finding the Fourth Proportional to 2,201.50, 3,303.08 and 1,422.99

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Solution

The fourth proportional to 2,201.50, 3,303.08 and 1,422.99 is: 2,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.50 : 3,303.08 = 1,422.99 : x
  2. Step 2: Convert to fraction form
    2,201.50/3,303.08 = 1,422.99/x
  3. Step 3: Cross multiply
    2,201.50x = 3,303.08 × 1,422.99
  4. Step 4: Simplify right side
    2,201.50x = 4,700,249.81
  5. Step 5: Solve for x
    x = 4,700,249.81/2,201.50
  6. Step 6: Final answer
    x = 2,135.02

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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.