Home / 1,694.04-2,539.32-653.76

Finding the Fourth Proportional to 1,694.04, 2,539.32 and 653.76

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Solution

The fourth proportional to 1,694.04, 2,539.32 and 653.76 is: 979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.04 : 2,539.32 = 653.76 : x
  2. Step 2: Convert to fraction form
    1,694.04/2,539.32 = 653.76/x
  3. Step 3: Cross multiply
    1,694.04x = 2,539.32 × 653.76
  4. Step 4: Simplify right side
    1,694.04x = 1,660,105.84
  5. Step 5: Solve for x
    x = 1,660,105.84/1,694.04
  6. Step 6: Final answer
    x = 979.97

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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.