Home / 3,619.06-4,995.47-2,782.53

Finding the Fourth Proportional to 3,619.06, 4,995.47 and 2,782.53

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Solution

The fourth proportional to 3,619.06, 4,995.47 and 2,782.53 is: 3,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.06 : 4,995.47 = 2,782.53 : x
  2. Step 2: Convert to fraction form
    3,619.06/4,995.47 = 2,782.53/x
  3. Step 3: Cross multiply
    3,619.06x = 4,995.47 × 2,782.53
  4. Step 4: Simplify right side
    3,619.06x = 13,900,045.14
  5. Step 5: Solve for x
    x = 13,900,045.14/3,619.06
  6. Step 6: Final answer
    x = 3,840.79

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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.