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Finding the Fourth Proportional to 1,597.98, 2,200.80 and 1,376.85

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Solution

The fourth proportional to 1,597.98, 2,200.80 and 1,376.85 is: 1,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.98 : 2,200.80 = 1,376.85 : x
  2. Step 2: Convert to fraction form
    1,597.98/2,200.80 = 1,376.85/x
  3. Step 3: Cross multiply
    1,597.98x = 2,200.80 × 1,376.85
  4. Step 4: Simplify right side
    1,597.98x = 3,030,171.48
  5. Step 5: Solve for x
    x = 3,030,171.48/1,597.98
  6. Step 6: Final answer
    x = 1,896.25

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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.