Home / 2,632.11-3,945.69-1,170.45

Finding the Fourth Proportional to 2,632.11, 3,945.69 and 1,170.45

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Solution

The fourth proportional to 2,632.11, 3,945.69 and 1,170.45 is: 1,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.11 : 3,945.69 = 1,170.45 : x
  2. Step 2: Convert to fraction form
    2,632.11/3,945.69 = 1,170.45/x
  3. Step 3: Cross multiply
    2,632.11x = 3,945.69 × 1,170.45
  4. Step 4: Simplify right side
    2,632.11x = 4,618,232.86
  5. Step 5: Solve for x
    x = 4,618,232.86/2,632.11
  6. Step 6: Final answer
    x = 1,754.57

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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.