Home / 2,632.79-3,949.91-1,151.74

Finding the Fourth Proportional to 2,632.79, 3,949.91 and 1,151.74

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Solution

The fourth proportional to 2,632.79, 3,949.91 and 1,151.74 is: 1,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.79 : 3,949.91 = 1,151.74 : x
  2. Step 2: Convert to fraction form
    2,632.79/3,949.91 = 1,151.74/x
  3. Step 3: Cross multiply
    2,632.79x = 3,949.91 × 1,151.74
  4. Step 4: Simplify right side
    2,632.79x = 4,549,272.84
  5. Step 5: Solve for x
    x = 4,549,272.84/2,632.79
  6. Step 6: Final answer
    x = 1,727.93

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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.