Home / 1,820.07-2,732.60-943.29

Finding the Fourth Proportional to 1,820.07, 2,732.60 and 943.29

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Solution

The fourth proportional to 1,820.07, 2,732.60 and 943.29 is: 1,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.07 : 2,732.60 = 943.29 : x
  2. Step 2: Convert to fraction form
    1,820.07/2,732.60 = 943.29/x
  3. Step 3: Cross multiply
    1,820.07x = 2,732.60 × 943.29
  4. Step 4: Simplify right side
    1,820.07x = 2,577,636.61
  5. Step 5: Solve for x
    x = 2,577,636.61/1,820.07
  6. Step 6: Final answer
    x = 1,416.23

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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.