Home / 3,200.36-4,802.78-1,470.12

Finding the Fourth Proportional to 3,200.36, 4,802.78 and 1,470.12

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Solution

The fourth proportional to 3,200.36, 4,802.78 and 1,470.12 is: 2,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.36 : 4,802.78 = 1,470.12 : x
  2. Step 2: Convert to fraction form
    3,200.36/4,802.78 = 1,470.12/x
  3. Step 3: Cross multiply
    3,200.36x = 4,802.78 × 1,470.12
  4. Step 4: Simplify right side
    3,200.36x = 7,060,662.93
  5. Step 5: Solve for x
    x = 7,060,662.93/3,200.36
  6. Step 6: Final answer
    x = 2,206.21

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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.