Home / 1,984.72-2,738.97-1,088.50

Finding the Fourth Proportional to 1,984.72, 2,738.97 and 1,088.50

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Solution

The fourth proportional to 1,984.72, 2,738.97 and 1,088.50 is: 1,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.72 : 2,738.97 = 1,088.50 : x
  2. Step 2: Convert to fraction form
    1,984.72/2,738.97 = 1,088.50/x
  3. Step 3: Cross multiply
    1,984.72x = 2,738.97 × 1,088.50
  4. Step 4: Simplify right side
    1,984.72x = 2,981,376.08
  5. Step 5: Solve for x
    x = 2,981,376.08/1,984.72
  6. Step 6: Final answer
    x = 1,502.16

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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.