Home / 2,817.65-4,227.12-1,358.03

Finding the Fourth Proportional to 2,817.65, 4,227.12 and 1,358.03

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Solution

The fourth proportional to 2,817.65, 4,227.12 and 1,358.03 is: 2,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.65 : 4,227.12 = 1,358.03 : x
  2. Step 2: Convert to fraction form
    2,817.65/4,227.12 = 1,358.03/x
  3. Step 3: Cross multiply
    2,817.65x = 4,227.12 × 1,358.03
  4. Step 4: Simplify right side
    2,817.65x = 5,740,555.77
  5. Step 5: Solve for x
    x = 5,740,555.77/2,817.65
  6. Step 6: Final answer
    x = 2,037.36

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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.