Home / 2,776.65-4,170.27-1,609.00

Finding the Fourth Proportional to 2,776.65, 4,170.27 and 1,609.00

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Solution

The fourth proportional to 2,776.65, 4,170.27 and 1,609.00 is: 2,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.65 : 4,170.27 = 1,609.00 : x
  2. Step 2: Convert to fraction form
    2,776.65/4,170.27 = 1,609.00/x
  3. Step 3: Cross multiply
    2,776.65x = 4,170.27 × 1,609.00
  4. Step 4: Simplify right side
    2,776.65x = 6,709,954.00
  5. Step 5: Solve for x
    x = 6,709,954.00/2,776.65
  6. Step 6: Final answer
    x = 2,416.56

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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.