Home / 3,732.26-5,150.13-2,160.05

Finding the Fourth Proportional to 3,732.26, 5,150.13 and 2,160.05

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Solution

The fourth proportional to 3,732.26, 5,150.13 and 2,160.05 is: 2,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.26 : 5,150.13 = 2,160.05 : x
  2. Step 2: Convert to fraction form
    3,732.26/5,150.13 = 2,160.05/x
  3. Step 3: Cross multiply
    3,732.26x = 5,150.13 × 2,160.05
  4. Step 4: Simplify right side
    3,732.26x = 11,124,538.31
  5. Step 5: Solve for x
    x = 11,124,538.31/3,732.26
  6. Step 6: Final answer
    x = 2,980.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.