Home / 1,491.86-2,229.69-1,375.14

Finding the Fourth Proportional to 1,491.86, 2,229.69 and 1,375.14

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Solution

The fourth proportional to 1,491.86, 2,229.69 and 1,375.14 is: 2,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.86 : 2,229.69 = 1,375.14 : x
  2. Step 2: Convert to fraction form
    1,491.86/2,229.69 = 1,375.14/x
  3. Step 3: Cross multiply
    1,491.86x = 2,229.69 × 1,375.14
  4. Step 4: Simplify right side
    1,491.86x = 3,066,135.91
  5. Step 5: Solve for x
    x = 3,066,135.91/1,491.86
  6. Step 6: Final answer
    x = 2,055.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.