Home / 3,174.81-4,756.59-2,135.68

Finding the Fourth Proportional to 3,174.81, 4,756.59 and 2,135.68

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Solution

The fourth proportional to 3,174.81, 4,756.59 and 2,135.68 is: 3,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.81 : 4,756.59 = 2,135.68 : x
  2. Step 2: Convert to fraction form
    3,174.81/4,756.59 = 2,135.68/x
  3. Step 3: Cross multiply
    3,174.81x = 4,756.59 × 2,135.68
  4. Step 4: Simplify right side
    3,174.81x = 10,158,542.24
  5. Step 5: Solve for x
    x = 10,158,542.24/3,174.81
  6. Step 6: Final answer
    x = 3,199.73

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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.