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Finding the Fourth Proportional to 3,360.96, 5,041.44 and 1,052.48

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Solution

The fourth proportional to 3,360.96, 5,041.44 and 1,052.48 is: 1,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.96 : 5,041.44 = 1,052.48 : x
  2. Step 2: Convert to fraction form
    3,360.96/5,041.44 = 1,052.48/x
  3. Step 3: Cross multiply
    3,360.96x = 5,041.44 × 1,052.48
  4. Step 4: Simplify right side
    3,360.96x = 5,306,014.77
  5. Step 5: Solve for x
    x = 5,306,014.77/3,360.96
  6. Step 6: Final answer
    x = 1,578.72

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Why These Related Problems?

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