Home / 3,180.53-4,389.35-1,764.34

Finding the Fourth Proportional to 3,180.53, 4,389.35 and 1,764.34

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Solution

The fourth proportional to 3,180.53, 4,389.35 and 1,764.34 is: 2,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.53 : 4,389.35 = 1,764.34 : x
  2. Step 2: Convert to fraction form
    3,180.53/4,389.35 = 1,764.34/x
  3. Step 3: Cross multiply
    3,180.53x = 4,389.35 × 1,764.34
  4. Step 4: Simplify right side
    3,180.53x = 7,744,305.78
  5. Step 5: Solve for x
    x = 7,744,305.78/3,180.53
  6. Step 6: Final answer
    x = 2,434.91

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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.