Home / 1,975.42-2,965.56-1,873.36

Finding the Fourth Proportional to 1,975.42, 2,965.56 and 1,873.36

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Solution

The fourth proportional to 1,975.42, 2,965.56 and 1,873.36 is: 2,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.42 : 2,965.56 = 1,873.36 : x
  2. Step 2: Convert to fraction form
    1,975.42/2,965.56 = 1,873.36/x
  3. Step 3: Cross multiply
    1,975.42x = 2,965.56 × 1,873.36
  4. Step 4: Simplify right side
    1,975.42x = 5,555,537.29
  5. Step 5: Solve for x
    x = 5,555,537.29/1,975.42
  6. Step 6: Final answer
    x = 2,812.34

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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.