Home / 2,077.42-3,115.99-1,104.07

Finding the Fourth Proportional to 2,077.42, 3,115.99 and 1,104.07

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Solution

The fourth proportional to 2,077.42, 3,115.99 and 1,104.07 is: 1,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.42 : 3,115.99 = 1,104.07 : x
  2. Step 2: Convert to fraction form
    2,077.42/3,115.99 = 1,104.07/x
  3. Step 3: Cross multiply
    2,077.42x = 3,115.99 × 1,104.07
  4. Step 4: Simplify right side
    2,077.42x = 3,440,271.08
  5. Step 5: Solve for x
    x = 3,440,271.08/2,077.42
  6. Step 6: Final answer
    x = 1,656.03

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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.