Home / 3,948.48-5,919.84-2,563.20

Finding the Fourth Proportional to 3,948.48, 5,919.84 and 2,563.20

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Solution

The fourth proportional to 3,948.48, 5,919.84 and 2,563.20 is: 3,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.48 : 5,919.84 = 2,563.20 : x
  2. Step 2: Convert to fraction form
    3,948.48/5,919.84 = 2,563.20/x
  3. Step 3: Cross multiply
    3,948.48x = 5,919.84 × 2,563.20
  4. Step 4: Simplify right side
    3,948.48x = 15,173,733.89
  5. Step 5: Solve for x
    x = 15,173,733.89/3,948.48
  6. Step 6: Final answer
    x = 3,842.93

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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.