Home / 2,788.59-4,180.45-1,056.09

Finding the Fourth Proportional to 2,788.59, 4,180.45 and 1,056.09

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Solution

The fourth proportional to 2,788.59, 4,180.45 and 1,056.09 is: 1,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.59 : 4,180.45 = 1,056.09 : x
  2. Step 2: Convert to fraction form
    2,788.59/4,180.45 = 1,056.09/x
  3. Step 3: Cross multiply
    2,788.59x = 4,180.45 × 1,056.09
  4. Step 4: Simplify right side
    2,788.59x = 4,414,931.44
  5. Step 5: Solve for x
    x = 4,414,931.44/2,788.59
  6. Step 6: Final answer
    x = 1,583.21

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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.