Home / 2,565.21-3,848.36-2,199.09

Finding the Fourth Proportional to 2,565.21, 3,848.36 and 2,199.09

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Solution

The fourth proportional to 2,565.21, 3,848.36 and 2,199.09 is: 3,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.21 : 3,848.36 = 2,199.09 : x
  2. Step 2: Convert to fraction form
    2,565.21/3,848.36 = 2,199.09/x
  3. Step 3: Cross multiply
    2,565.21x = 3,848.36 × 2,199.09
  4. Step 4: Simplify right side
    2,565.21x = 8,462,879.00
  5. Step 5: Solve for x
    x = 8,462,879.00/2,565.21
  6. Step 6: Final answer
    x = 3,299.10

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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.