Home / 1,871.44-2,581.93-1,242.27

Finding the Fourth Proportional to 1,871.44, 2,581.93 and 1,242.27

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Solution

The fourth proportional to 1,871.44, 2,581.93 and 1,242.27 is: 1,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.44 : 2,581.93 = 1,242.27 : x
  2. Step 2: Convert to fraction form
    1,871.44/2,581.93 = 1,242.27/x
  3. Step 3: Cross multiply
    1,871.44x = 2,581.93 × 1,242.27
  4. Step 4: Simplify right side
    1,871.44x = 3,207,448.75
  5. Step 5: Solve for x
    x = 3,207,448.75/1,871.44
  6. Step 6: Final answer
    x = 1,713.90

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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.