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Finding the Fourth Proportional to 2,409.56, 3,325.08 and 1,415.69

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Solution

The fourth proportional to 2,409.56, 3,325.08 and 1,415.69 is: 1,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.56 : 3,325.08 = 1,415.69 : x
  2. Step 2: Convert to fraction form
    2,409.56/3,325.08 = 1,415.69/x
  3. Step 3: Cross multiply
    2,409.56x = 3,325.08 × 1,415.69
  4. Step 4: Simplify right side
    2,409.56x = 4,707,282.51
  5. Step 5: Solve for x
    x = 4,707,282.51/2,409.56
  6. Step 6: Final answer
    x = 1,953.59

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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.