Home / 4,079.04-5,629.98-2,660.28

Finding the Fourth Proportional to 4,079.04, 5,629.98 and 2,660.28

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Solution

The fourth proportional to 4,079.04, 5,629.98 and 2,660.28 is: 3,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.04 : 5,629.98 = 2,660.28 : x
  2. Step 2: Convert to fraction form
    4,079.04/5,629.98 = 2,660.28/x
  3. Step 3: Cross multiply
    4,079.04x = 5,629.98 × 2,660.28
  4. Step 4: Simplify right side
    4,079.04x = 14,977,323.19
  5. Step 5: Solve for x
    x = 14,977,323.19/4,079.04
  6. Step 6: Final answer
    x = 3,671.78

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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.