Home / 2,270.23-3,389.14-1,921.22

Finding the Fourth Proportional to 2,270.23, 3,389.14 and 1,921.22

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Solution

The fourth proportional to 2,270.23, 3,389.14 and 1,921.22 is: 2,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.23 : 3,389.14 = 1,921.22 : x
  2. Step 2: Convert to fraction form
    2,270.23/3,389.14 = 1,921.22/x
  3. Step 3: Cross multiply
    2,270.23x = 3,389.14 × 1,921.22
  4. Step 4: Simplify right side
    2,270.23x = 6,511,281.72
  5. Step 5: Solve for x
    x = 6,511,281.72/2,270.23
  6. Step 6: Final answer
    x = 2,868.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.