Home / 3,432.14-5,146.37-1,091.51

Finding the Fourth Proportional to 3,432.14, 5,146.37 and 1,091.51

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Solution

The fourth proportional to 3,432.14, 5,146.37 and 1,091.51 is: 1,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.14 : 5,146.37 = 1,091.51 : x
  2. Step 2: Convert to fraction form
    3,432.14/5,146.37 = 1,091.51/x
  3. Step 3: Cross multiply
    3,432.14x = 5,146.37 × 1,091.51
  4. Step 4: Simplify right side
    3,432.14x = 5,617,329.91
  5. Step 5: Solve for x
    x = 5,617,329.91/3,432.14
  6. Step 6: Final answer
    x = 1,636.68

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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.