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Finding the Fourth Proportional to 1,799.14, 2,698.68 and 703.48

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Solution

The fourth proportional to 1,799.14, 2,698.68 and 703.48 is: 1,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.14 : 2,698.68 = 703.48 : x
  2. Step 2: Convert to fraction form
    1,799.14/2,698.68 = 703.48/x
  3. Step 3: Cross multiply
    1,799.14x = 2,698.68 × 703.48
  4. Step 4: Simplify right side
    1,799.14x = 1,898,467.41
  5. Step 5: Solve for x
    x = 1,898,467.41/1,799.14
  6. Step 6: Final answer
    x = 1,055.21

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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.