Home / 2,191.45-3,025.88-1,446.47

Finding the Fourth Proportional to 2,191.45, 3,025.88 and 1,446.47

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Solution

The fourth proportional to 2,191.45, 3,025.88 and 1,446.47 is: 1,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.45 : 3,025.88 = 1,446.47 : x
  2. Step 2: Convert to fraction form
    2,191.45/3,025.88 = 1,446.47/x
  3. Step 3: Cross multiply
    2,191.45x = 3,025.88 × 1,446.47
  4. Step 4: Simplify right side
    2,191.45x = 4,376,822.28
  5. Step 5: Solve for x
    x = 4,376,822.28/2,191.45
  6. Step 6: Final answer
    x = 1,997.23

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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.