Home / 2,077.14-3,114.74-1,152.38

Finding the Fourth Proportional to 2,077.14, 3,114.74 and 1,152.38

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Solution

The fourth proportional to 2,077.14, 3,114.74 and 1,152.38 is: 1,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.14 : 3,114.74 = 1,152.38 : x
  2. Step 2: Convert to fraction form
    2,077.14/3,114.74 = 1,152.38/x
  3. Step 3: Cross multiply
    2,077.14x = 3,114.74 × 1,152.38
  4. Step 4: Simplify right side
    2,077.14x = 3,589,364.08
  5. Step 5: Solve for x
    x = 3,589,364.08/2,077.14
  6. Step 6: Final answer
    x = 1,728.03

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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.