Home / 1,820.91-2,727.18-1,332.75

Finding the Fourth Proportional to 1,820.91, 2,727.18 and 1,332.75

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Solution

The fourth proportional to 1,820.91, 2,727.18 and 1,332.75 is: 1,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.91 : 2,727.18 = 1,332.75 : x
  2. Step 2: Convert to fraction form
    1,820.91/2,727.18 = 1,332.75/x
  3. Step 3: Cross multiply
    1,820.91x = 2,727.18 × 1,332.75
  4. Step 4: Simplify right side
    1,820.91x = 3,634,649.15
  5. Step 5: Solve for x
    x = 3,634,649.15/1,820.91
  6. Step 6: Final answer
    x = 1,996.06

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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.