Home / 3,069.21-4,235.51-1,671.96

Finding the Fourth Proportional to 3,069.21, 4,235.51 and 1,671.96

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Solution

The fourth proportional to 3,069.21, 4,235.51 and 1,671.96 is: 2,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.21 : 4,235.51 = 1,671.96 : x
  2. Step 2: Convert to fraction form
    3,069.21/4,235.51 = 1,671.96/x
  3. Step 3: Cross multiply
    3,069.21x = 4,235.51 × 1,671.96
  4. Step 4: Simplify right side
    3,069.21x = 7,081,607.48
  5. Step 5: Solve for x
    x = 7,081,607.48/3,069.21
  6. Step 6: Final answer
    x = 2,307.31

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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.