Home / 3,732.36-5,150.43-2,160.15

Finding the Fourth Proportional to 3,732.36, 5,150.43 and 2,160.15

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Solution

The fourth proportional to 3,732.36, 5,150.43 and 2,160.15 is: 2,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.36 : 5,150.43 = 2,160.15 : x
  2. Step 2: Convert to fraction form
    3,732.36/5,150.43 = 2,160.15/x
  3. Step 3: Cross multiply
    3,732.36x = 5,150.43 × 2,160.15
  4. Step 4: Simplify right side
    3,732.36x = 11,125,701.36
  5. Step 5: Solve for x
    x = 11,125,701.36/3,732.36
  6. Step 6: Final answer
    x = 2,980.88

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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.