Home / 3,210.84-4,817.42-1,261.96

Finding the Fourth Proportional to 3,210.84, 4,817.42 and 1,261.96

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Solution

The fourth proportional to 3,210.84, 4,817.42 and 1,261.96 is: 1,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.84 : 4,817.42 = 1,261.96 : x
  2. Step 2: Convert to fraction form
    3,210.84/4,817.42 = 1,261.96/x
  3. Step 3: Cross multiply
    3,210.84x = 4,817.42 × 1,261.96
  4. Step 4: Simplify right side
    3,210.84x = 6,079,391.34
  5. Step 5: Solve for x
    x = 6,079,391.34/3,210.84
  6. Step 6: Final answer
    x = 1,893.40

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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.