Home / 2,467.40-3,704.70-1,920.20

Finding the Fourth Proportional to 2,467.40, 3,704.70 and 1,920.20

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Solution

The fourth proportional to 2,467.40, 3,704.70 and 1,920.20 is: 2,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.40 : 3,704.70 = 1,920.20 : x
  2. Step 2: Convert to fraction form
    2,467.40/3,704.70 = 1,920.20/x
  3. Step 3: Cross multiply
    2,467.40x = 3,704.70 × 1,920.20
  4. Step 4: Simplify right side
    2,467.40x = 7,113,764.94
  5. Step 5: Solve for x
    x = 7,113,764.94/2,467.40
  6. Step 6: Final answer
    x = 2,883.10

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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.