Home / 3,436.99-5,155.89-2,576.77

Finding the Fourth Proportional to 3,436.99, 5,155.89 and 2,576.77

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Solution

The fourth proportional to 3,436.99, 5,155.89 and 2,576.77 is: 3,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.99 : 5,155.89 = 2,576.77 : x
  2. Step 2: Convert to fraction form
    3,436.99/5,155.89 = 2,576.77/x
  3. Step 3: Cross multiply
    3,436.99x = 5,155.89 × 2,576.77
  4. Step 4: Simplify right side
    3,436.99x = 13,285,542.68
  5. Step 5: Solve for x
    x = 13,285,542.68/3,436.99
  6. Step 6: Final answer
    x = 3,865.46

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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.