Home / 3,170.59-4,756.47-1,090.90

Finding the Fourth Proportional to 3,170.59, 4,756.47 and 1,090.90

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Solution

The fourth proportional to 3,170.59, 4,756.47 and 1,090.90 is: 1,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.59 : 4,756.47 = 1,090.90 : x
  2. Step 2: Convert to fraction form
    3,170.59/4,756.47 = 1,090.90/x
  3. Step 3: Cross multiply
    3,170.59x = 4,756.47 × 1,090.90
  4. Step 4: Simplify right side
    3,170.59x = 5,188,833.12
  5. Step 5: Solve for x
    x = 5,188,833.12/3,170.59
  6. Step 6: Final answer
    x = 1,636.55

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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.