Home / 1,497.41-2,066.68-1,105.57

Finding the Fourth Proportional to 1,497.41, 2,066.68 and 1,105.57

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Solution

The fourth proportional to 1,497.41, 2,066.68 and 1,105.57 is: 1,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.41 : 2,066.68 = 1,105.57 : x
  2. Step 2: Convert to fraction form
    1,497.41/2,066.68 = 1,105.57/x
  3. Step 3: Cross multiply
    1,497.41x = 2,066.68 × 1,105.57
  4. Step 4: Simplify right side
    1,497.41x = 2,284,859.41
  5. Step 5: Solve for x
    x = 2,284,859.41/1,497.41
  6. Step 6: Final answer
    x = 1,525.87

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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.