Home / 2,629.02-3,943.56-1,804.80

Finding the Fourth Proportional to 2,629.02, 3,943.56 and 1,804.80

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Solution

The fourth proportional to 2,629.02, 3,943.56 and 1,804.80 is: 2,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.02 : 3,943.56 = 1,804.80 : x
  2. Step 2: Convert to fraction form
    2,629.02/3,943.56 = 1,804.80/x
  3. Step 3: Cross multiply
    2,629.02x = 3,943.56 × 1,804.80
  4. Step 4: Simplify right side
    2,629.02x = 7,117,337.09
  5. Step 5: Solve for x
    x = 7,117,337.09/2,629.02
  6. Step 6: Final answer
    x = 2,707.22

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1.5x scale

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.