Home / 3,470.48-5,204.77-1,619.77

Finding the Fourth Proportional to 3,470.48, 5,204.77 and 1,619.77

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Solution

The fourth proportional to 3,470.48, 5,204.77 and 1,619.77 is: 2,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.48 : 5,204.77 = 1,619.77 : x
  2. Step 2: Convert to fraction form
    3,470.48/5,204.77 = 1,619.77/x
  3. Step 3: Cross multiply
    3,470.48x = 5,204.77 × 1,619.77
  4. Step 4: Simplify right side
    3,470.48x = 8,430,530.30
  5. Step 5: Solve for x
    x = 8,430,530.30/3,470.48
  6. Step 6: Final answer
    x = 2,429.21

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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.