Home / 3,424.80-5,110.30-3,215.82

Finding the Fourth Proportional to 3,424.80, 5,110.30 and 3,215.82

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Solution

The fourth proportional to 3,424.80, 5,110.30 and 3,215.82 is: 4,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.80 : 5,110.30 = 3,215.82 : x
  2. Step 2: Convert to fraction form
    3,424.80/5,110.30 = 3,215.82/x
  3. Step 3: Cross multiply
    3,424.80x = 5,110.30 × 3,215.82
  4. Step 4: Simplify right side
    3,424.80x = 16,433,804.95
  5. Step 5: Solve for x
    x = 16,433,804.95/3,424.80
  6. Step 6: Final answer
    x = 4,798.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.