Home / 1,788.50-2,682.77-556.00

Finding the Fourth Proportional to 1,788.50, 2,682.77 and 556.00

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Solution

The fourth proportional to 1,788.50, 2,682.77 and 556.00 is: 834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.50 : 2,682.77 = 556.00 : x
  2. Step 2: Convert to fraction form
    1,788.50/2,682.77 = 556.00/x
  3. Step 3: Cross multiply
    1,788.50x = 2,682.77 × 556.00
  4. Step 4: Simplify right side
    1,788.50x = 1,491,610.63
  5. Step 5: Solve for x
    x = 1,491,610.63/1,788.50
  6. Step 6: Final answer
    x = 834.00

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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.