Home / 2,191.99-3,025.01-1,197.31

Finding the Fourth Proportional to 2,191.99, 3,025.01 and 1,197.31

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Solution

The fourth proportional to 2,191.99, 3,025.01 and 1,197.31 is: 1,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.99 : 3,025.01 = 1,197.31 : x
  2. Step 2: Convert to fraction form
    2,191.99/3,025.01 = 1,197.31/x
  3. Step 3: Cross multiply
    2,191.99x = 3,025.01 × 1,197.31
  4. Step 4: Simplify right side
    2,191.99x = 3,621,859.60
  5. Step 5: Solve for x
    x = 3,621,859.60/2,191.99
  6. Step 6: Final answer
    x = 1,652.32

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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.