Home / 1,944.06-2,678.58-1,871.16

Finding the Fourth Proportional to 1,944.06, 2,678.58 and 1,871.16

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Solution

The fourth proportional to 1,944.06, 2,678.58 and 1,871.16 is: 2,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.06 : 2,678.58 = 1,871.16 : x
  2. Step 2: Convert to fraction form
    1,944.06/2,678.58 = 1,871.16/x
  3. Step 3: Cross multiply
    1,944.06x = 2,678.58 × 1,871.16
  4. Step 4: Simplify right side
    1,944.06x = 5,012,051.75
  5. Step 5: Solve for x
    x = 5,012,051.75/1,944.06
  6. Step 6: Final answer
    x = 2,578.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.