Home / 3,239.60-4,470.60-1,823.18

Finding the Fourth Proportional to 3,239.60, 4,470.60 and 1,823.18

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Solution

The fourth proportional to 3,239.60, 4,470.60 and 1,823.18 is: 2,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.60 : 4,470.60 = 1,823.18 : x
  2. Step 2: Convert to fraction form
    3,239.60/4,470.60 = 1,823.18/x
  3. Step 3: Cross multiply
    3,239.60x = 4,470.60 × 1,823.18
  4. Step 4: Simplify right side
    3,239.60x = 8,150,708.51
  5. Step 5: Solve for x
    x = 8,150,708.51/3,239.60
  6. Step 6: Final answer
    x = 2,515.96

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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.