Home / 2,788.59-4,178.44-1,472.29

Finding the Fourth Proportional to 2,788.59, 4,178.44 and 1,472.29

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Solution

The fourth proportional to 2,788.59, 4,178.44 and 1,472.29 is: 2,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.59 : 4,178.44 = 1,472.29 : x
  2. Step 2: Convert to fraction form
    2,788.59/4,178.44 = 1,472.29/x
  3. Step 3: Cross multiply
    2,788.59x = 4,178.44 × 1,472.29
  4. Step 4: Simplify right side
    2,788.59x = 6,151,882.49
  5. Step 5: Solve for x
    x = 6,151,882.49/2,788.59
  6. Step 6: Final answer
    x = 2,206.09

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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.