Home / 1,871.07-2,812.76-1,735.75

Finding the Fourth Proportional to 1,871.07, 2,812.76 and 1,735.75

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Solution

The fourth proportional to 1,871.07, 2,812.76 and 1,735.75 is: 2,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.07 : 2,812.76 = 1,735.75 : x
  2. Step 2: Convert to fraction form
    1,871.07/2,812.76 = 1,735.75/x
  3. Step 3: Cross multiply
    1,871.07x = 2,812.76 × 1,735.75
  4. Step 4: Simplify right side
    1,871.07x = 4,882,232.46
  5. Step 5: Solve for x
    x = 4,882,232.46/1,871.07
  6. Step 6: Final answer
    x = 2,609.33

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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.