Home / 2,160.14-3,240.32-926.69

Finding the Fourth Proportional to 2,160.14, 3,240.32 and 926.69

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Solution

The fourth proportional to 2,160.14, 3,240.32 and 926.69 is: 1,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.14 : 3,240.32 = 926.69 : x
  2. Step 2: Convert to fraction form
    2,160.14/3,240.32 = 926.69/x
  3. Step 3: Cross multiply
    2,160.14x = 3,240.32 × 926.69
  4. Step 4: Simplify right side
    2,160.14x = 3,002,772.14
  5. Step 5: Solve for x
    x = 3,002,772.14/2,160.14
  6. Step 6: Final answer
    x = 1,390.08

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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.