Home / 2,176.35-3,265.08-1,020.75

Finding the Fourth Proportional to 2,176.35, 3,265.08 and 1,020.75

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Solution

The fourth proportional to 2,176.35, 3,265.08 and 1,020.75 is: 1,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.35 : 3,265.08 = 1,020.75 : x
  2. Step 2: Convert to fraction form
    2,176.35/3,265.08 = 1,020.75/x
  3. Step 3: Cross multiply
    2,176.35x = 3,265.08 × 1,020.75
  4. Step 4: Simplify right side
    2,176.35x = 3,332,830.41
  5. Step 5: Solve for x
    x = 3,332,830.41/2,176.35
  6. Step 6: Final answer
    x = 1,531.39

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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.