Home / 2,980.30-4,463.97-2,580.34

Finding the Fourth Proportional to 2,980.30, 4,463.97 and 2,580.34

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Solution

The fourth proportional to 2,980.30, 4,463.97 and 2,580.34 is: 3,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.30 : 4,463.97 = 2,580.34 : x
  2. Step 2: Convert to fraction form
    2,980.30/4,463.97 = 2,580.34/x
  3. Step 3: Cross multiply
    2,980.30x = 4,463.97 × 2,580.34
  4. Step 4: Simplify right side
    2,980.30x = 11,518,560.35
  5. Step 5: Solve for x
    x = 11,518,560.35/2,980.30
  6. Step 6: Final answer
    x = 3,864.90

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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.