Home / 2,065.44-3,103.92-1,420.32

Finding the Fourth Proportional to 2,065.44, 3,103.92 and 1,420.32

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Solution

The fourth proportional to 2,065.44, 3,103.92 and 1,420.32 is: 2,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.44 : 3,103.92 = 1,420.32 : x
  2. Step 2: Convert to fraction form
    2,065.44/3,103.92 = 1,420.32/x
  3. Step 3: Cross multiply
    2,065.44x = 3,103.92 × 1,420.32
  4. Step 4: Simplify right side
    2,065.44x = 4,408,559.65
  5. Step 5: Solve for x
    x = 4,408,559.65/2,065.44
  6. Step 6: Final answer
    x = 2,134.44

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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.