Home / 1,785.87-2,463.94-1,039.69

Finding the Fourth Proportional to 1,785.87, 2,463.94 and 1,039.69

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Solution

The fourth proportional to 1,785.87, 2,463.94 and 1,039.69 is: 1,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.87 : 2,463.94 = 1,039.69 : x
  2. Step 2: Convert to fraction form
    1,785.87/2,463.94 = 1,039.69/x
  3. Step 3: Cross multiply
    1,785.87x = 2,463.94 × 1,039.69
  4. Step 4: Simplify right side
    1,785.87x = 2,561,733.78
  5. Step 5: Solve for x
    x = 2,561,733.78/1,785.87
  6. Step 6: Final answer
    x = 1,434.45

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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.