Home / 2,860.67-4,292.45-1,322.75

Finding the Fourth Proportional to 2,860.67, 4,292.45 and 1,322.75

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Solution

The fourth proportional to 2,860.67, 4,292.45 and 1,322.75 is: 1,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.67 : 4,292.45 = 1,322.75 : x
  2. Step 2: Convert to fraction form
    2,860.67/4,292.45 = 1,322.75/x
  3. Step 3: Cross multiply
    2,860.67x = 4,292.45 × 1,322.75
  4. Step 4: Simplify right side
    2,860.67x = 5,677,838.24
  5. Step 5: Solve for x
    x = 5,677,838.24/2,860.67
  6. Step 6: Final answer
    x = 1,984.79

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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.