Home / 2,918.01-4,376.82-1,186.59

Finding the Fourth Proportional to 2,918.01, 4,376.82 and 1,186.59

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Solution

The fourth proportional to 2,918.01, 4,376.82 and 1,186.59 is: 1,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.01 : 4,376.82 = 1,186.59 : x
  2. Step 2: Convert to fraction form
    2,918.01/4,376.82 = 1,186.59/x
  3. Step 3: Cross multiply
    2,918.01x = 4,376.82 × 1,186.59
  4. Step 4: Simplify right side
    2,918.01x = 5,193,490.84
  5. Step 5: Solve for x
    x = 5,193,490.84/2,918.01
  6. Step 6: Final answer
    x = 1,779.81

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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.