Home / 1,782.09-2,660.96-1,595.79

Finding the Fourth Proportional to 1,782.09, 2,660.96 and 1,595.79

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Solution

The fourth proportional to 1,782.09, 2,660.96 and 1,595.79 is: 2,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.09 : 2,660.96 = 1,595.79 : x
  2. Step 2: Convert to fraction form
    1,782.09/2,660.96 = 1,595.79/x
  3. Step 3: Cross multiply
    1,782.09x = 2,660.96 × 1,595.79
  4. Step 4: Simplify right side
    1,782.09x = 4,246,337.35
  5. Step 5: Solve for x
    x = 4,246,337.35/1,782.09
  6. Step 6: Final answer
    x = 2,382.79

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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.