Home / 1,782.36-2,653.92-1,762.74

Finding the Fourth Proportional to 1,782.36, 2,653.92 and 1,762.74

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Solution

The fourth proportional to 1,782.36, 2,653.92 and 1,762.74 is: 2,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.36 : 2,653.92 = 1,762.74 : x
  2. Step 2: Convert to fraction form
    1,782.36/2,653.92 = 1,762.74/x
  3. Step 3: Cross multiply
    1,782.36x = 2,653.92 × 1,762.74
  4. Step 4: Simplify right side
    1,782.36x = 4,678,170.94
  5. Step 5: Solve for x
    x = 4,678,170.94/1,782.36
  6. Step 6: Final answer
    x = 2,624.71

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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.