Home / 3,432.36-5,146.74-1,091.64

Finding the Fourth Proportional to 3,432.36, 5,146.74 and 1,091.64

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Solution

The fourth proportional to 3,432.36, 5,146.74 and 1,091.64 is: 1,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.36 : 5,146.74 = 1,091.64 : x
  2. Step 2: Convert to fraction form
    3,432.36/5,146.74 = 1,091.64/x
  3. Step 3: Cross multiply
    3,432.36x = 5,146.74 × 1,091.64
  4. Step 4: Simplify right side
    3,432.36x = 5,618,387.25
  5. Step 5: Solve for x
    x = 5,618,387.25/3,432.36
  6. Step 6: Final answer
    x = 1,636.89

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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.