Home / 2,096.20-2,891.30-1,397.48

Finding the Fourth Proportional to 2,096.20, 2,891.30 and 1,397.48

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Solution

The fourth proportional to 2,096.20, 2,891.30 and 1,397.48 is: 1,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.20 : 2,891.30 = 1,397.48 : x
  2. Step 2: Convert to fraction form
    2,096.20/2,891.30 = 1,397.48/x
  3. Step 3: Cross multiply
    2,096.20x = 2,891.30 × 1,397.48
  4. Step 4: Simplify right side
    2,096.20x = 4,040,533.92
  5. Step 5: Solve for x
    x = 4,040,533.92/2,096.20
  6. Step 6: Final answer
    x = 1,927.55

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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.