Home / 1,939.22-2,676.26-1,088.54

Finding the Fourth Proportional to 1,939.22, 2,676.26 and 1,088.54

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Solution

The fourth proportional to 1,939.22, 2,676.26 and 1,088.54 is: 1,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.22 : 2,676.26 = 1,088.54 : x
  2. Step 2: Convert to fraction form
    1,939.22/2,676.26 = 1,088.54/x
  3. Step 3: Cross multiply
    1,939.22x = 2,676.26 × 1,088.54
  4. Step 4: Simplify right side
    1,939.22x = 2,913,210.62
  5. Step 5: Solve for x
    x = 2,913,210.62/1,939.22
  6. Step 6: Final answer
    x = 1,502.26

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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.