Home / 2,886.78-4,331.52-1,499.37

Finding the Fourth Proportional to 2,886.78, 4,331.52 and 1,499.37

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Solution

The fourth proportional to 2,886.78, 4,331.52 and 1,499.37 is: 2,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.78 : 4,331.52 = 1,499.37 : x
  2. Step 2: Convert to fraction form
    2,886.78/4,331.52 = 1,499.37/x
  3. Step 3: Cross multiply
    2,886.78x = 4,331.52 × 1,499.37
  4. Step 4: Simplify right side
    2,886.78x = 6,494,551.14
  5. Step 5: Solve for x
    x = 6,494,551.14/2,886.78
  6. Step 6: Final answer
    x = 2,249.76

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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.