Home / 2,620.10-3,926.19-1,752.86

Finding the Fourth Proportional to 2,620.10, 3,926.19 and 1,752.86

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Solution

The fourth proportional to 2,620.10, 3,926.19 and 1,752.86 is: 2,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.10 : 3,926.19 = 1,752.86 : x
  2. Step 2: Convert to fraction form
    2,620.10/3,926.19 = 1,752.86/x
  3. Step 3: Cross multiply
    2,620.10x = 3,926.19 × 1,752.86
  4. Step 4: Simplify right side
    2,620.10x = 6,882,061.40
  5. Step 5: Solve for x
    x = 6,882,061.40/2,620.10
  6. Step 6: Final answer
    x = 2,626.64

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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.