Home / 2,580.80-3,558.06-2,051.44

Finding the Fourth Proportional to 2,580.80, 3,558.06 and 2,051.44

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Solution

The fourth proportional to 2,580.80, 3,558.06 and 2,051.44 is: 2,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.80 : 3,558.06 = 2,051.44 : x
  2. Step 2: Convert to fraction form
    2,580.80/3,558.06 = 2,051.44/x
  3. Step 3: Cross multiply
    2,580.80x = 3,558.06 × 2,051.44
  4. Step 4: Simplify right side
    2,580.80x = 7,299,146.61
  5. Step 5: Solve for x
    x = 7,299,146.61/2,580.80
  6. Step 6: Final answer
    x = 2,828.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.