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Finding the Fourth Proportional to 3,368.39, 5,053.59 and 1,518.98

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Solution

The fourth proportional to 3,368.39, 5,053.59 and 1,518.98 is: 2,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.39 : 5,053.59 = 1,518.98 : x
  2. Step 2: Convert to fraction form
    3,368.39/5,053.59 = 1,518.98/x
  3. Step 3: Cross multiply
    3,368.39x = 5,053.59 × 1,518.98
  4. Step 4: Simplify right side
    3,368.39x = 7,676,276.87
  5. Step 5: Solve for x
    x = 7,676,276.87/3,368.39
  6. Step 6: Final answer
    x = 2,278.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.