Home / 1,809.60-2,495.61-1,179.48

Finding the Fourth Proportional to 1,809.60, 2,495.61 and 1,179.48

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Solution

The fourth proportional to 1,809.60, 2,495.61 and 1,179.48 is: 1,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.60 : 2,495.61 = 1,179.48 : x
  2. Step 2: Convert to fraction form
    1,809.60/2,495.61 = 1,179.48/x
  3. Step 3: Cross multiply
    1,809.60x = 2,495.61 × 1,179.48
  4. Step 4: Simplify right side
    1,809.60x = 2,943,522.08
  5. Step 5: Solve for x
    x = 2,943,522.08/1,809.60
  6. Step 6: Final answer
    x = 1,626.61

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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.