Home / 1,677.36-2,516.39-844.89

Finding the Fourth Proportional to 1,677.36, 2,516.39 and 844.89

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Solution

The fourth proportional to 1,677.36, 2,516.39 and 844.89 is: 1,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.36 : 2,516.39 = 844.89 : x
  2. Step 2: Convert to fraction form
    1,677.36/2,516.39 = 844.89/x
  3. Step 3: Cross multiply
    1,677.36x = 2,516.39 × 844.89
  4. Step 4: Simplify right side
    1,677.36x = 2,126,072.75
  5. Step 5: Solve for x
    x = 2,126,072.75/1,677.36
  6. Step 6: Final answer
    x = 1,267.51

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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.