Home / 2,980.62-4,475.99-2,486.52

Finding the Fourth Proportional to 2,980.62, 4,475.99 and 2,486.52

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Solution

The fourth proportional to 2,980.62, 4,475.99 and 2,486.52 is: 3,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.62 : 4,475.99 = 2,486.52 : x
  2. Step 2: Convert to fraction form
    2,980.62/4,475.99 = 2,486.52/x
  3. Step 3: Cross multiply
    2,980.62x = 4,475.99 × 2,486.52
  4. Step 4: Simplify right side
    2,980.62x = 11,129,644.87
  5. Step 5: Solve for x
    x = 11,129,644.87/2,980.62
  6. Step 6: Final answer
    x = 3,734.00

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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.