Home / 3,170.79-4,756.29-1,090.77

Finding the Fourth Proportional to 3,170.79, 4,756.29 and 1,090.77

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Solution

The fourth proportional to 3,170.79, 4,756.29 and 1,090.77 is: 1,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.79 : 4,756.29 = 1,090.77 : x
  2. Step 2: Convert to fraction form
    3,170.79/4,756.29 = 1,090.77/x
  3. Step 3: Cross multiply
    3,170.79x = 4,756.29 × 1,090.77
  4. Step 4: Simplify right side
    3,170.79x = 5,188,039.72
  5. Step 5: Solve for x
    x = 5,188,039.72/3,170.79
  6. Step 6: Final answer
    x = 1,636.20

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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.