Home / 2,168.56-2,992.86-1,471.36

Finding the Fourth Proportional to 2,168.56, 2,992.86 and 1,471.36

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Solution

The fourth proportional to 2,168.56, 2,992.86 and 1,471.36 is: 2,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.56 : 2,992.86 = 1,471.36 : x
  2. Step 2: Convert to fraction form
    2,168.56/2,992.86 = 1,471.36/x
  3. Step 3: Cross multiply
    2,168.56x = 2,992.86 × 1,471.36
  4. Step 4: Simplify right side
    2,168.56x = 4,403,574.49
  5. Step 5: Solve for x
    x = 4,403,574.49/2,168.56
  6. Step 6: Final answer
    x = 2,030.64

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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.