Home / 3,421.07-5,133.04-1,862.16

Finding the Fourth Proportional to 3,421.07, 5,133.04 and 1,862.16

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Solution

The fourth proportional to 3,421.07, 5,133.04 and 1,862.16 is: 2,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.07 : 5,133.04 = 1,862.16 : x
  2. Step 2: Convert to fraction form
    3,421.07/5,133.04 = 1,862.16/x
  3. Step 3: Cross multiply
    3,421.07x = 5,133.04 × 1,862.16
  4. Step 4: Simplify right side
    3,421.07x = 9,558,517.86
  5. Step 5: Solve for x
    x = 9,558,517.86/3,421.07
  6. Step 6: Final answer
    x = 2,794.02

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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.