Home / 2,382.36-3,287.64-1,334.40

Finding the Fourth Proportional to 2,382.36, 3,287.64 and 1,334.40

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Solution

The fourth proportional to 2,382.36, 3,287.64 and 1,334.40 is: 1,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.36 : 3,287.64 = 1,334.40 : x
  2. Step 2: Convert to fraction form
    2,382.36/3,287.64 = 1,334.40/x
  3. Step 3: Cross multiply
    2,382.36x = 3,287.64 × 1,334.40
  4. Step 4: Simplify right side
    2,382.36x = 4,387,026.82
  5. Step 5: Solve for x
    x = 4,387,026.82/2,382.36
  6. Step 6: Final answer
    x = 1,841.46

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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.