Home / 2,260.36-3,119.90-2,122.68

Finding the Fourth Proportional to 2,260.36, 3,119.90 and 2,122.68

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Solution

The fourth proportional to 2,260.36, 3,119.90 and 2,122.68 is: 2,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.36 : 3,119.90 = 2,122.68 : x
  2. Step 2: Convert to fraction form
    2,260.36/3,119.90 = 2,122.68/x
  3. Step 3: Cross multiply
    2,260.36x = 3,119.90 × 2,122.68
  4. Step 4: Simplify right side
    2,260.36x = 6,622,549.33
  5. Step 5: Solve for x
    x = 6,622,549.33/2,260.36
  6. Step 6: Final answer
    x = 2,929.86

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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.