Home / 5,171.60-7,757.40-2,052.35

Finding the Fourth Proportional to 5,171.60, 7,757.40 and 2,052.35

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Solution

The fourth proportional to 5,171.60, 7,757.40 and 2,052.35 is: 3,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.60 : 7,757.40 = 2,052.35 : x
  2. Step 2: Convert to fraction form
    5,171.60/7,757.40 = 2,052.35/x
  3. Step 3: Cross multiply
    5,171.60x = 7,757.40 × 2,052.35
  4. Step 4: Simplify right side
    5,171.60x = 15,920,899.89
  5. Step 5: Solve for x
    x = 15,920,899.89/5,171.60
  6. Step 6: Final answer
    x = 3,078.53

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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.