Home / 3,637.78-5,020.41-2,311.54

Finding the Fourth Proportional to 3,637.78, 5,020.41 and 2,311.54

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Solution

The fourth proportional to 3,637.78, 5,020.41 and 2,311.54 is: 3,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.78 : 5,020.41 = 2,311.54 : x
  2. Step 2: Convert to fraction form
    3,637.78/5,020.41 = 2,311.54/x
  3. Step 3: Cross multiply
    3,637.78x = 5,020.41 × 2,311.54
  4. Step 4: Simplify right side
    3,637.78x = 11,604,878.53
  5. Step 5: Solve for x
    x = 11,604,878.53/3,637.78
  6. Step 6: Final answer
    x = 3,190.10

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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.