Home / 1,942.33-2,677.30-1,312.66

Finding the Fourth Proportional to 1,942.33, 2,677.30 and 1,312.66

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Solution

The fourth proportional to 1,942.33, 2,677.30 and 1,312.66 is: 1,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.33 : 2,677.30 = 1,312.66 : x
  2. Step 2: Convert to fraction form
    1,942.33/2,677.30 = 1,312.66/x
  3. Step 3: Cross multiply
    1,942.33x = 2,677.30 × 1,312.66
  4. Step 4: Simplify right side
    1,942.33x = 3,514,384.62
  5. Step 5: Solve for x
    x = 3,514,384.62/1,942.33
  6. Step 6: Final answer
    x = 1,809.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.