Home / 2,129.09-3,193.04-895.78

Finding the Fourth Proportional to 2,129.09, 3,193.04 and 895.78

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Solution

The fourth proportional to 2,129.09, 3,193.04 and 895.78 is: 1,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.09 : 3,193.04 = 895.78 : x
  2. Step 2: Convert to fraction form
    2,129.09/3,193.04 = 895.78/x
  3. Step 3: Cross multiply
    2,129.09x = 3,193.04 × 895.78
  4. Step 4: Simplify right side
    2,129.09x = 2,860,244.60
  5. Step 5: Solve for x
    x = 2,860,244.60/2,129.09
  6. Step 6: Final answer
    x = 1,343.41

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1.5x scale

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.