Home / 2,808.90-4,208.69-1,709.93

Finding the Fourth Proportional to 2,808.90, 4,208.69 and 1,709.93

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Solution

The fourth proportional to 2,808.90, 4,208.69 and 1,709.93 is: 2,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.90 : 4,208.69 = 1,709.93 : x
  2. Step 2: Convert to fraction form
    2,808.90/4,208.69 = 1,709.93/x
  3. Step 3: Cross multiply
    2,808.90x = 4,208.69 × 1,709.93
  4. Step 4: Simplify right side
    2,808.90x = 7,196,580.09
  5. Step 5: Solve for x
    x = 7,196,580.09/2,808.90
  6. Step 6: Final answer
    x = 2,562.06

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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.