Home / 3,012.39-4,159.53-2,382.39

Finding the Fourth Proportional to 3,012.39, 4,159.53 and 2,382.39

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Solution

The fourth proportional to 3,012.39, 4,159.53 and 2,382.39 is: 3,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.39 : 4,159.53 = 2,382.39 : x
  2. Step 2: Convert to fraction form
    3,012.39/4,159.53 = 2,382.39/x
  3. Step 3: Cross multiply
    3,012.39x = 4,159.53 × 2,382.39
  4. Step 4: Simplify right side
    3,012.39x = 9,909,622.68
  5. Step 5: Solve for x
    x = 9,909,622.68/3,012.39
  6. Step 6: Final answer
    x = 3,289.62

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1.5x scale

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.