Home / 2,651.70-3,977.55-2,542.35

Finding the Fourth Proportional to 2,651.70, 3,977.55 and 2,542.35

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Solution

The fourth proportional to 2,651.70, 3,977.55 and 2,542.35 is: 3,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.70 : 3,977.55 = 2,542.35 : x
  2. Step 2: Convert to fraction form
    2,651.70/3,977.55 = 2,542.35/x
  3. Step 3: Cross multiply
    2,651.70x = 3,977.55 × 2,542.35
  4. Step 4: Simplify right side
    2,651.70x = 10,112,324.24
  5. Step 5: Solve for x
    x = 10,112,324.24/2,651.70
  6. Step 6: Final answer
    x = 3,813.53

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Double scale
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Similar ratio
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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.