Home / 3,471.38-5,209.90-1,828.94

Finding the Fourth Proportional to 3,471.38, 5,209.90 and 1,828.94

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Solution

The fourth proportional to 3,471.38, 5,209.90 and 1,828.94 is: 2,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.38 : 5,209.90 = 1,828.94 : x
  2. Step 2: Convert to fraction form
    3,471.38/5,209.90 = 1,828.94/x
  3. Step 3: Cross multiply
    3,471.38x = 5,209.90 × 1,828.94
  4. Step 4: Simplify right side
    3,471.38x = 9,528,594.51
  5. Step 5: Solve for x
    x = 9,528,594.51/3,471.38
  6. Step 6: Final answer
    x = 2,744.90

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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.