Home / 1,995.18-2,753.68-1,522.18

Finding the Fourth Proportional to 1,995.18, 2,753.68 and 1,522.18

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Solution

The fourth proportional to 1,995.18, 2,753.68 and 1,522.18 is: 2,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.18 : 2,753.68 = 1,522.18 : x
  2. Step 2: Convert to fraction form
    1,995.18/2,753.68 = 1,522.18/x
  3. Step 3: Cross multiply
    1,995.18x = 2,753.68 × 1,522.18
  4. Step 4: Simplify right side
    1,995.18x = 4,191,589.01
  5. Step 5: Solve for x
    x = 4,191,589.01/1,995.18
  6. Step 6: Final answer
    x = 2,100.86

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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.