Home / 1,975.52-2,723.66-1,620.14

Finding the Fourth Proportional to 1,975.52, 2,723.66 and 1,620.14

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Solution

The fourth proportional to 1,975.52, 2,723.66 and 1,620.14 is: 2,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.52 : 2,723.66 = 1,620.14 : x
  2. Step 2: Convert to fraction form
    1,975.52/2,723.66 = 1,620.14/x
  3. Step 3: Cross multiply
    1,975.52x = 2,723.66 × 1,620.14
  4. Step 4: Simplify right side
    1,975.52x = 4,412,710.51
  5. Step 5: Solve for x
    x = 4,412,710.51/1,975.52
  6. Step 6: Final answer
    x = 2,233.70

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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.