Home / 3,155.41-4,354.46-1,829.88

Finding the Fourth Proportional to 3,155.41, 4,354.46 and 1,829.88

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Solution

The fourth proportional to 3,155.41, 4,354.46 and 1,829.88 is: 2,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.41 : 4,354.46 = 1,829.88 : x
  2. Step 2: Convert to fraction form
    3,155.41/4,354.46 = 1,829.88/x
  3. Step 3: Cross multiply
    3,155.41x = 4,354.46 × 1,829.88
  4. Step 4: Simplify right side
    3,155.41x = 7,968,139.26
  5. Step 5: Solve for x
    x = 7,968,139.26/3,155.41
  6. Step 6: Final answer
    x = 2,525.24

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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.