Home / 3,440.72-5,161.35-1,360.58

Finding the Fourth Proportional to 3,440.72, 5,161.35 and 1,360.58

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Solution

The fourth proportional to 3,440.72, 5,161.35 and 1,360.58 is: 2,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.72 : 5,161.35 = 1,360.58 : x
  2. Step 2: Convert to fraction form
    3,440.72/5,161.35 = 1,360.58/x
  3. Step 3: Cross multiply
    3,440.72x = 5,161.35 × 1,360.58
  4. Step 4: Simplify right side
    3,440.72x = 7,022,429.58
  5. Step 5: Solve for x
    x = 7,022,429.58/3,440.72
  6. Step 6: Final answer
    x = 2,040.98

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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.