Home / 1,762.08-2,431.68-1,016.09

Finding the Fourth Proportional to 1,762.08, 2,431.68 and 1,016.09

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Solution

The fourth proportional to 1,762.08, 2,431.68 and 1,016.09 is: 1,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.08 : 2,431.68 = 1,016.09 : x
  2. Step 2: Convert to fraction form
    1,762.08/2,431.68 = 1,016.09/x
  3. Step 3: Cross multiply
    1,762.08x = 2,431.68 × 1,016.09
  4. Step 4: Simplify right side
    1,762.08x = 2,470,800.65
  5. Step 5: Solve for x
    x = 2,470,800.65/1,762.08
  6. Step 6: Final answer
    x = 1,402.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.