Home / 2,580.13-3,546.88-2,219.90

Finding the Fourth Proportional to 2,580.13, 3,546.88 and 2,219.90

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Solution

The fourth proportional to 2,580.13, 3,546.88 and 2,219.90 is: 3,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.13 : 3,546.88 = 2,219.90 : x
  2. Step 2: Convert to fraction form
    2,580.13/3,546.88 = 2,219.90/x
  3. Step 3: Cross multiply
    2,580.13x = 3,546.88 × 2,219.90
  4. Step 4: Simplify right side
    2,580.13x = 7,873,718.91
  5. Step 5: Solve for x
    x = 7,873,718.91/2,580.13
  6. Step 6: Final answer
    x = 3,051.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.