Home / 2,367.80-3,267.33-1,319.75

Finding the Fourth Proportional to 2,367.80, 3,267.33 and 1,319.75

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Solution

The fourth proportional to 2,367.80, 3,267.33 and 1,319.75 is: 1,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.80 : 3,267.33 = 1,319.75 : x
  2. Step 2: Convert to fraction form
    2,367.80/3,267.33 = 1,319.75/x
  3. Step 3: Cross multiply
    2,367.80x = 3,267.33 × 1,319.75
  4. Step 4: Simplify right side
    2,367.80x = 4,312,058.77
  5. Step 5: Solve for x
    x = 4,312,058.77/2,367.80
  6. Step 6: Final answer
    x = 1,821.12

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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.