Home / 2,220.16-3,328.41-1,293.43

Finding the Fourth Proportional to 2,220.16, 3,328.41 and 1,293.43

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Solution

The fourth proportional to 2,220.16, 3,328.41 and 1,293.43 is: 1,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.16 : 3,328.41 = 1,293.43 : x
  2. Step 2: Convert to fraction form
    2,220.16/3,328.41 = 1,293.43/x
  3. Step 3: Cross multiply
    2,220.16x = 3,328.41 × 1,293.43
  4. Step 4: Simplify right side
    2,220.16x = 4,305,065.35
  5. Step 5: Solve for x
    x = 4,305,065.35/2,220.16
  6. Step 6: Final answer
    x = 1,939.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.