Home / 2,652.70-3,977.97-1,191.46

Finding the Fourth Proportional to 2,652.70, 3,977.97 and 1,191.46

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Solution

The fourth proportional to 2,652.70, 3,977.97 and 1,191.46 is: 1,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.70 : 3,977.97 = 1,191.46 : x
  2. Step 2: Convert to fraction form
    2,652.70/3,977.97 = 1,191.46/x
  3. Step 3: Cross multiply
    2,652.70x = 3,977.97 × 1,191.46
  4. Step 4: Simplify right side
    2,652.70x = 4,739,592.14
  5. Step 5: Solve for x
    x = 4,739,592.14/2,652.70
  6. Step 6: Final answer
    x = 1,786.70

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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.