Home / 3,914.04-5,871.99-1,281.69

Finding the Fourth Proportional to 3,914.04, 5,871.99 and 1,281.69

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Solution

The fourth proportional to 3,914.04, 5,871.99 and 1,281.69 is: 1,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.04 : 5,871.99 = 1,281.69 : x
  2. Step 2: Convert to fraction form
    3,914.04/5,871.99 = 1,281.69/x
  3. Step 3: Cross multiply
    3,914.04x = 5,871.99 × 1,281.69
  4. Step 4: Simplify right side
    3,914.04x = 7,526,070.86
  5. Step 5: Solve for x
    x = 7,526,070.86/3,914.04
  6. Step 6: Final answer
    x = 1,922.84

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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.