Home / 1,370.49-2,063.64-1,007.82

Finding the Fourth Proportional to 1,370.49, 2,063.64 and 1,007.82

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Solution

The fourth proportional to 1,370.49, 2,063.64 and 1,007.82 is: 1,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.49 : 2,063.64 = 1,007.82 : x
  2. Step 2: Convert to fraction form
    1,370.49/2,063.64 = 1,007.82/x
  3. Step 3: Cross multiply
    1,370.49x = 2,063.64 × 1,007.82
  4. Step 4: Simplify right side
    1,370.49x = 2,079,777.66
  5. Step 5: Solve for x
    x = 2,079,777.66/1,370.49
  6. Step 6: Final answer
    x = 1,517.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.