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Finding the Fourth Proportional to 3,454.56, 5,184 and 2,515.77

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Solution

The fourth proportional to 3,454.56, 5,184 and 2,515.77 is: 3,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.56 : 5,184 = 2,515.77 : x
  2. Step 2: Convert to fraction form
    3,454.56/5,184 = 2,515.77/x
  3. Step 3: Cross multiply
    3,454.56x = 5,184 × 2,515.77
  4. Step 4: Simplify right side
    3,454.56x = 13,041,751.68
  5. Step 5: Solve for x
    x = 13,041,751.68/3,454.56
  6. Step 6: Final answer
    x = 3,775.23

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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.