Home / 1,788.59-2,682.89-555.97

Finding the Fourth Proportional to 1,788.59, 2,682.89 and 555.97

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Solution

The fourth proportional to 1,788.59, 2,682.89 and 555.97 is: 833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.59 : 2,682.89 = 555.97 : x
  2. Step 2: Convert to fraction form
    1,788.59/2,682.89 = 555.97/x
  3. Step 3: Cross multiply
    1,788.59x = 2,682.89 × 555.97
  4. Step 4: Simplify right side
    1,788.59x = 1,491,606.35
  5. Step 5: Solve for x
    x = 1,491,606.35/1,788.59
  6. Step 6: Final answer
    x = 833.96

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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.