Home / 2,829.64-4,246.11-1,186.06

Finding the Fourth Proportional to 2,829.64, 4,246.11 and 1,186.06

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Solution

The fourth proportional to 2,829.64, 4,246.11 and 1,186.06 is: 1,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.64 : 4,246.11 = 1,186.06 : x
  2. Step 2: Convert to fraction form
    2,829.64/4,246.11 = 1,186.06/x
  3. Step 3: Cross multiply
    2,829.64x = 4,246.11 × 1,186.06
  4. Step 4: Simplify right side
    2,829.64x = 5,036,141.23
  5. Step 5: Solve for x
    x = 5,036,141.23/2,829.64
  6. Step 6: Final answer
    x = 1,779.78

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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.