Home / 2,829.89-4,246.49-1,186.30

Finding the Fourth Proportional to 2,829.89, 4,246.49 and 1,186.30

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Solution

The fourth proportional to 2,829.89, 4,246.49 and 1,186.30 is: 1,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.89 : 4,246.49 = 1,186.30 : x
  2. Step 2: Convert to fraction form
    2,829.89/4,246.49 = 1,186.30/x
  3. Step 3: Cross multiply
    2,829.89x = 4,246.49 × 1,186.30
  4. Step 4: Simplify right side
    2,829.89x = 5,037,611.09
  5. Step 5: Solve for x
    x = 5,037,611.09/2,829.89
  6. Step 6: Final answer
    x = 1,780.14

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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.