Home / 2,051.17-3,077.46-1,125.54

Finding the Fourth Proportional to 2,051.17, 3,077.46 and 1,125.54

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Solution

The fourth proportional to 2,051.17, 3,077.46 and 1,125.54 is: 1,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.17 : 3,077.46 = 1,125.54 : x
  2. Step 2: Convert to fraction form
    2,051.17/3,077.46 = 1,125.54/x
  3. Step 3: Cross multiply
    2,051.17x = 3,077.46 × 1,125.54
  4. Step 4: Simplify right side
    2,051.17x = 3,463,804.33
  5. Step 5: Solve for x
    x = 3,463,804.33/2,051.17
  6. Step 6: Final answer
    x = 1,688.70

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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.