Home / 2,632.15-3,940.93-1,330.90

Finding the Fourth Proportional to 2,632.15, 3,940.93 and 1,330.90

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Solution

The fourth proportional to 2,632.15, 3,940.93 and 1,330.90 is: 1,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.15 : 3,940.93 = 1,330.90 : x
  2. Step 2: Convert to fraction form
    2,632.15/3,940.93 = 1,330.90/x
  3. Step 3: Cross multiply
    2,632.15x = 3,940.93 × 1,330.90
  4. Step 4: Simplify right side
    2,632.15x = 5,244,983.74
  5. Step 5: Solve for x
    x = 5,244,983.74/2,632.15
  6. Step 6: Final answer
    x = 1,992.66

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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.