Home / 2,629.02-3,943.26-1,761.51

Finding the Fourth Proportional to 2,629.02, 3,943.26 and 1,761.51

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Solution

The fourth proportional to 2,629.02, 3,943.26 and 1,761.51 is: 2,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.02 : 3,943.26 = 1,761.51 : x
  2. Step 2: Convert to fraction form
    2,629.02/3,943.26 = 1,761.51/x
  3. Step 3: Cross multiply
    2,629.02x = 3,943.26 × 1,761.51
  4. Step 4: Simplify right side
    2,629.02x = 6,946,091.92
  5. Step 5: Solve for x
    x = 6,946,091.92/2,629.02
  6. Step 6: Final answer
    x = 2,642.08

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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.