Home / 1,823.88-2,736.29-1,330.05

Finding the Fourth Proportional to 1,823.88, 2,736.29 and 1,330.05

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Solution

The fourth proportional to 1,823.88, 2,736.29 and 1,330.05 is: 1,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.88 : 2,736.29 = 1,330.05 : x
  2. Step 2: Convert to fraction form
    1,823.88/2,736.29 = 1,330.05/x
  3. Step 3: Cross multiply
    1,823.88x = 2,736.29 × 1,330.05
  4. Step 4: Simplify right side
    1,823.88x = 3,639,402.51
  5. Step 5: Solve for x
    x = 3,639,402.51/1,823.88
  6. Step 6: Final answer
    x = 1,995.42

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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.