Home / 1,306.74-1,960.09-1,048.36

Finding the Fourth Proportional to 1,306.74, 1,960.09 and 1,048.36

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Solution

The fourth proportional to 1,306.74, 1,960.09 and 1,048.36 is: 1,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306.74 : 1,960.09 = 1,048.36 : x
  2. Step 2: Convert to fraction form
    1,306.74/1,960.09 = 1,048.36/x
  3. Step 3: Cross multiply
    1,306.74x = 1,960.09 × 1,048.36
  4. Step 4: Simplify right side
    1,306.74x = 2,054,879.95
  5. Step 5: Solve for x
    x = 2,054,879.95/1,306.74
  6. Step 6: Final answer
    x = 1,572.52

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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.