Home / 2,730.98-3,764.67-2,140.49

Finding the Fourth Proportional to 2,730.98, 3,764.67 and 2,140.49

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Solution

The fourth proportional to 2,730.98, 3,764.67 and 2,140.49 is: 2,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.98 : 3,764.67 = 2,140.49 : x
  2. Step 2: Convert to fraction form
    2,730.98/3,764.67 = 2,140.49/x
  3. Step 3: Cross multiply
    2,730.98x = 3,764.67 × 2,140.49
  4. Step 4: Simplify right side
    2,730.98x = 8,058,238.49
  5. Step 5: Solve for x
    x = 8,058,238.49/2,730.98
  6. Step 6: Final answer
    x = 2,950.68

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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.