Home / 3,136.51-4,707.84-2,619.82

Finding the Fourth Proportional to 3,136.51, 4,707.84 and 2,619.82

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Solution

The fourth proportional to 3,136.51, 4,707.84 and 2,619.82 is: 3,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.51 : 4,707.84 = 2,619.82 : x
  2. Step 2: Convert to fraction form
    3,136.51/4,707.84 = 2,619.82/x
  3. Step 3: Cross multiply
    3,136.51x = 4,707.84 × 2,619.82
  4. Step 4: Simplify right side
    3,136.51x = 12,333,693.39
  5. Step 5: Solve for x
    x = 12,333,693.39/3,136.51
  6. Step 6: Final answer
    x = 3,932.30

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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.