Home / 1,627.04-2,439.20-804.96

Finding the Fourth Proportional to 1,627.04, 2,439.20 and 804.96

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Solution

The fourth proportional to 1,627.04, 2,439.20 and 804.96 is: 1,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.04 : 2,439.20 = 804.96 : x
  2. Step 2: Convert to fraction form
    1,627.04/2,439.20 = 804.96/x
  3. Step 3: Cross multiply
    1,627.04x = 2,439.20 × 804.96
  4. Step 4: Simplify right side
    1,627.04x = 1,963,458.43
  5. Step 5: Solve for x
    x = 1,963,458.43/1,627.04
  6. Step 6: Final answer
    x = 1,206.77

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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.