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Finding the Fourth Proportional to 1,698.50, 2,343.94 and 1,000.02

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Solution

The fourth proportional to 1,698.50, 2,343.94 and 1,000.02 is: 1,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.50 : 2,343.94 = 1,000.02 : x
  2. Step 2: Convert to fraction form
    1,698.50/2,343.94 = 1,000.02/x
  3. Step 3: Cross multiply
    1,698.50x = 2,343.94 × 1,000.02
  4. Step 4: Simplify right side
    1,698.50x = 2,343,986.88
  5. Step 5: Solve for x
    x = 2,343,986.88/1,698.50
  6. Step 6: Final answer
    x = 1,380.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.