Home / 1,984.43-2,738.42-1,088.17

Finding the Fourth Proportional to 1,984.43, 2,738.42 and 1,088.17

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Solution

The fourth proportional to 1,984.43, 2,738.42 and 1,088.17 is: 1,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.43 : 2,738.42 = 1,088.17 : x
  2. Step 2: Convert to fraction form
    1,984.43/2,738.42 = 1,088.17/x
  3. Step 3: Cross multiply
    1,984.43x = 2,738.42 × 1,088.17
  4. Step 4: Simplify right side
    1,984.43x = 2,979,866.49
  5. Step 5: Solve for x
    x = 2,979,866.49/1,984.43
  6. Step 6: Final answer
    x = 1,501.62

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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.