Home / 2,160.12-3,240.18-927.44

Finding the Fourth Proportional to 2,160.12, 3,240.18 and 927.44

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Solution

The fourth proportional to 2,160.12, 3,240.18 and 927.44 is: 1,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.12 : 3,240.18 = 927.44 : x
  2. Step 2: Convert to fraction form
    2,160.12/3,240.18 = 927.44/x
  3. Step 3: Cross multiply
    2,160.12x = 3,240.18 × 927.44
  4. Step 4: Simplify right side
    2,160.12x = 3,005,072.54
  5. Step 5: Solve for x
    x = 3,005,072.54/2,160.12
  6. Step 6: Final answer
    x = 1,391.16

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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.