Home / 4,180.80-6,271.20-1,408.17

Finding the Fourth Proportional to 4,180.80, 6,271.20 and 1,408.17

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Solution

The fourth proportional to 4,180.80, 6,271.20 and 1,408.17 is: 2,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.80 : 6,271.20 = 1,408.17 : x
  2. Step 2: Convert to fraction form
    4,180.80/6,271.20 = 1,408.17/x
  3. Step 3: Cross multiply
    4,180.80x = 6,271.20 × 1,408.17
  4. Step 4: Simplify right side
    4,180.80x = 8,830,915.70
  5. Step 5: Solve for x
    x = 8,830,915.70/4,180.80
  6. Step 6: Final answer
    x = 2,112.26

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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.