Home / 3,155.88-4,734.42-1,424.50

Finding the Fourth Proportional to 3,155.88, 4,734.42 and 1,424.50

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Solution

The fourth proportional to 3,155.88, 4,734.42 and 1,424.50 is: 2,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.88 : 4,734.42 = 1,424.50 : x
  2. Step 2: Convert to fraction form
    3,155.88/4,734.42 = 1,424.50/x
  3. Step 3: Cross multiply
    3,155.88x = 4,734.42 × 1,424.50
  4. Step 4: Simplify right side
    3,155.88x = 6,744,181.29
  5. Step 5: Solve for x
    x = 6,744,181.29/3,155.88
  6. Step 6: Final answer
    x = 2,137.02

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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.