Home / 3,759.36-5,630.40-2,113.44

Finding the Fourth Proportional to 3,759.36, 5,630.40 and 2,113.44

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Solution

The fourth proportional to 3,759.36, 5,630.40 and 2,113.44 is: 3,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.36 : 5,630.40 = 2,113.44 : x
  2. Step 2: Convert to fraction form
    3,759.36/5,630.40 = 2,113.44/x
  3. Step 3: Cross multiply
    3,759.36x = 5,630.40 × 2,113.44
  4. Step 4: Simplify right side
    3,759.36x = 11,899,512.58
  5. Step 5: Solve for x
    x = 11,899,512.58/3,759.36
  6. Step 6: Final answer
    x = 3,165.30

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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.