Home / 2,817.59-4,226.38-1,357.76

Finding the Fourth Proportional to 2,817.59, 4,226.38 and 1,357.76

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Solution

The fourth proportional to 2,817.59, 4,226.38 and 1,357.76 is: 2,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.59 : 4,226.38 = 1,357.76 : x
  2. Step 2: Convert to fraction form
    2,817.59/4,226.38 = 1,357.76/x
  3. Step 3: Cross multiply
    2,817.59x = 4,226.38 × 1,357.76
  4. Step 4: Simplify right side
    2,817.59x = 5,738,416.88
  5. Step 5: Solve for x
    x = 5,738,416.88/2,817.59
  6. Step 6: Final answer
    x = 2,036.64

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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.