Home / 2,741.80-4,112.70-1,586.20

Finding the Fourth Proportional to 2,741.80, 4,112.70 and 1,586.20

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Solution

The fourth proportional to 2,741.80, 4,112.70 and 1,586.20 is: 2,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.80 : 4,112.70 = 1,586.20 : x
  2. Step 2: Convert to fraction form
    2,741.80/4,112.70 = 1,586.20/x
  3. Step 3: Cross multiply
    2,741.80x = 4,112.70 × 1,586.20
  4. Step 4: Simplify right side
    2,741.80x = 6,523,564.74
  5. Step 5: Solve for x
    x = 6,523,564.74/2,741.80
  6. Step 6: Final answer
    x = 2,379.30

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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.