Home / 2,828.19-4,240.08-1,346.65

Finding the Fourth Proportional to 2,828.19, 4,240.08 and 1,346.65

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Solution

The fourth proportional to 2,828.19, 4,240.08 and 1,346.65 is: 2,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.19 : 4,240.08 = 1,346.65 : x
  2. Step 2: Convert to fraction form
    2,828.19/4,240.08 = 1,346.65/x
  3. Step 3: Cross multiply
    2,828.19x = 4,240.08 × 1,346.65
  4. Step 4: Simplify right side
    2,828.19x = 5,709,900.12
  5. Step 5: Solve for x
    x = 5,709,900.12/2,828.19
  6. Step 6: Final answer
    x = 2,018.92

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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.