Home / 2,795.22-4,187.43-2,178.72

Finding the Fourth Proportional to 2,795.22, 4,187.43 and 2,178.72

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Solution

The fourth proportional to 2,795.22, 4,187.43 and 2,178.72 is: 3,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.22 : 4,187.43 = 2,178.72 : x
  2. Step 2: Convert to fraction form
    2,795.22/4,187.43 = 2,178.72/x
  3. Step 3: Cross multiply
    2,795.22x = 4,187.43 × 2,178.72
  4. Step 4: Simplify right side
    2,795.22x = 9,123,237.49
  5. Step 5: Solve for x
    x = 9,123,237.49/2,795.22
  6. Step 6: Final answer
    x = 3,263.87

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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.