Home / 1,677.09-2,519.74-1,583.84

Finding the Fourth Proportional to 1,677.09, 2,519.74 and 1,583.84

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Solution

The fourth proportional to 1,677.09, 2,519.74 and 1,583.84 is: 2,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.09 : 2,519.74 = 1,583.84 : x
  2. Step 2: Convert to fraction form
    1,677.09/2,519.74 = 1,583.84/x
  3. Step 3: Cross multiply
    1,677.09x = 2,519.74 × 1,583.84
  4. Step 4: Simplify right side
    1,677.09x = 3,990,865.00
  5. Step 5: Solve for x
    x = 3,990,865.00/1,677.09
  6. Step 6: Final answer
    x = 2,379.64

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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.