Home / 4,339.12-5,985.42-2,661.28

Finding the Fourth Proportional to 4,339.12, 5,985.42 and 2,661.28

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Solution

The fourth proportional to 4,339.12, 5,985.42 and 2,661.28 is: 3,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.12 : 5,985.42 = 2,661.28 : x
  2. Step 2: Convert to fraction form
    4,339.12/5,985.42 = 2,661.28/x
  3. Step 3: Cross multiply
    4,339.12x = 5,985.42 × 2,661.28
  4. Step 4: Simplify right side
    4,339.12x = 15,928,878.54
  5. Step 5: Solve for x
    x = 15,928,878.54/4,339.12
  6. Step 6: Final answer
    x = 3,670.99

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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.