Home / 2,782.41-4,172.75-1,832.52

Finding the Fourth Proportional to 2,782.41, 4,172.75 and 1,832.52

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Solution

The fourth proportional to 2,782.41, 4,172.75 and 1,832.52 is: 2,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.41 : 4,172.75 = 1,832.52 : x
  2. Step 2: Convert to fraction form
    2,782.41/4,172.75 = 1,832.52/x
  3. Step 3: Cross multiply
    2,782.41x = 4,172.75 × 1,832.52
  4. Step 4: Simplify right side
    2,782.41x = 7,646,671.50
  5. Step 5: Solve for x
    x = 7,646,671.50/2,782.41
  6. Step 6: Final answer
    x = 2,748.22

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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.