Home / 2,788.16-4,182.37-2,005.99

Finding the Fourth Proportional to 2,788.16, 4,182.37 and 2,005.99

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Solution

The fourth proportional to 2,788.16, 4,182.37 and 2,005.99 is: 3,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.16 : 4,182.37 = 2,005.99 : x
  2. Step 2: Convert to fraction form
    2,788.16/4,182.37 = 2,005.99/x
  3. Step 3: Cross multiply
    2,788.16x = 4,182.37 × 2,005.99
  4. Step 4: Simplify right side
    2,788.16x = 8,389,776.93
  5. Step 5: Solve for x
    x = 8,389,776.93/2,788.16
  6. Step 6: Final answer
    x = 3,009.08

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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.