Home / 2,788.98-4,183.58-1,564.20

Finding the Fourth Proportional to 2,788.98, 4,183.58 and 1,564.20

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Solution

The fourth proportional to 2,788.98, 4,183.58 and 1,564.20 is: 2,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.98 : 4,183.58 = 1,564.20 : x
  2. Step 2: Convert to fraction form
    2,788.98/4,183.58 = 1,564.20/x
  3. Step 3: Cross multiply
    2,788.98x = 4,183.58 × 1,564.20
  4. Step 4: Simplify right side
    2,788.98x = 6,543,955.84
  5. Step 5: Solve for x
    x = 6,543,955.84/2,788.98
  6. Step 6: Final answer
    x = 2,346.36

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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.