Home / 1,785.46-2,463.87-1,262.20

Finding the Fourth Proportional to 1,785.46, 2,463.87 and 1,262.20

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Solution

The fourth proportional to 1,785.46, 2,463.87 and 1,262.20 is: 1,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.46 : 2,463.87 = 1,262.20 : x
  2. Step 2: Convert to fraction form
    1,785.46/2,463.87 = 1,262.20/x
  3. Step 3: Cross multiply
    1,785.46x = 2,463.87 × 1,262.20
  4. Step 4: Simplify right side
    1,785.46x = 3,109,896.71
  5. Step 5: Solve for x
    x = 3,109,896.71/1,785.46
  6. Step 6: Final answer
    x = 1,741.79

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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.