Home / 1,788.45-2,682.67-555.86

Finding the Fourth Proportional to 1,788.45, 2,682.67 and 555.86

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Solution

The fourth proportional to 1,788.45, 2,682.67 and 555.86 is: 833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.45 : 2,682.67 = 555.86 : x
  2. Step 2: Convert to fraction form
    1,788.45/2,682.67 = 555.86/x
  3. Step 3: Cross multiply
    1,788.45x = 2,682.67 × 555.86
  4. Step 4: Simplify right side
    1,788.45x = 1,491,195.31
  5. Step 5: Solve for x
    x = 1,491,195.31/1,788.45
  6. Step 6: Final answer
    x = 833.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.