Home / 2,580.96-3,579.44-2,420.58

Finding the Fourth Proportional to 2,580.96, 3,579.44 and 2,420.58

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Solution

The fourth proportional to 2,580.96, 3,579.44 and 2,420.58 is: 3,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.96 : 3,579.44 = 2,420.58 : x
  2. Step 2: Convert to fraction form
    2,580.96/3,579.44 = 2,420.58/x
  3. Step 3: Cross multiply
    2,580.96x = 3,579.44 × 2,420.58
  4. Step 4: Simplify right side
    2,580.96x = 8,664,308.77
  5. Step 5: Solve for x
    x = 8,664,308.77/2,580.96
  6. Step 6: Final answer
    x = 3,357.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.