Home / 3,512.10-5,266.38-1,171.29

Finding the Fourth Proportional to 3,512.10, 5,266.38 and 1,171.29

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Solution

The fourth proportional to 3,512.10, 5,266.38 and 1,171.29 is: 1,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.10 : 5,266.38 = 1,171.29 : x
  2. Step 2: Convert to fraction form
    3,512.10/5,266.38 = 1,171.29/x
  3. Step 3: Cross multiply
    3,512.10x = 5,266.38 × 1,171.29
  4. Step 4: Simplify right side
    3,512.10x = 6,168,458.23
  5. Step 5: Solve for x
    x = 6,168,458.23/3,512.10
  6. Step 6: Final answer
    x = 1,756.34

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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.