Home / 3,953.72-5,455.19-2,460.85

Finding the Fourth Proportional to 3,953.72, 5,455.19 and 2,460.85

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Solution

The fourth proportional to 3,953.72, 5,455.19 and 2,460.85 is: 3,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.72 : 5,455.19 = 2,460.85 : x
  2. Step 2: Convert to fraction form
    3,953.72/5,455.19 = 2,460.85/x
  3. Step 3: Cross multiply
    3,953.72x = 5,455.19 × 2,460.85
  4. Step 4: Simplify right side
    3,953.72x = 13,424,396.83
  5. Step 5: Solve for x
    x = 13,424,396.83/3,953.72
  6. Step 6: Final answer
    x = 3,395.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.