Home / 2,828.40-4,242.60-1,184.51

Finding the Fourth Proportional to 2,828.40, 4,242.60 and 1,184.51

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Solution

The fourth proportional to 2,828.40, 4,242.60 and 1,184.51 is: 1,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.40 : 4,242.60 = 1,184.51 : x
  2. Step 2: Convert to fraction form
    2,828.40/4,242.60 = 1,184.51/x
  3. Step 3: Cross multiply
    2,828.40x = 4,242.60 × 1,184.51
  4. Step 4: Simplify right side
    2,828.40x = 5,025,380.91
  5. Step 5: Solve for x
    x = 5,025,380.91/2,828.40
  6. Step 6: Final answer
    x = 1,776.76

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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.