Home / 2,788.98-4,178.94-1,472.66

Finding the Fourth Proportional to 2,788.98, 4,178.94 and 1,472.66

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Solution

The fourth proportional to 2,788.98, 4,178.94 and 1,472.66 is: 2,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.98 : 4,178.94 = 1,472.66 : x
  2. Step 2: Convert to fraction form
    2,788.98/4,178.94 = 1,472.66/x
  3. Step 3: Cross multiply
    2,788.98x = 4,178.94 × 1,472.66
  4. Step 4: Simplify right side
    2,788.98x = 6,154,157.78
  5. Step 5: Solve for x
    x = 6,154,157.78/2,788.98
  6. Step 6: Final answer
    x = 2,206.60

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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.