Home / 2,782.24-4,173.76-1,051.28

Finding the Fourth Proportional to 2,782.24, 4,173.76 and 1,051.28

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Solution

The fourth proportional to 2,782.24, 4,173.76 and 1,051.28 is: 1,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.24 : 4,173.76 = 1,051.28 : x
  2. Step 2: Convert to fraction form
    2,782.24/4,173.76 = 1,051.28/x
  3. Step 3: Cross multiply
    2,782.24x = 4,173.76 × 1,051.28
  4. Step 4: Simplify right side
    2,782.24x = 4,387,790.41
  5. Step 5: Solve for x
    x = 4,387,790.41/2,782.24
  6. Step 6: Final answer
    x = 1,577.07

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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.