Home / 2,632.26-3,941.10-1,981.02

Finding the Fourth Proportional to 2,632.26, 3,941.10 and 1,981.02

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Solution

The fourth proportional to 2,632.26, 3,941.10 and 1,981.02 is: 2,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.26 : 3,941.10 = 1,981.02 : x
  2. Step 2: Convert to fraction form
    2,632.26/3,941.10 = 1,981.02/x
  3. Step 3: Cross multiply
    2,632.26x = 3,941.10 × 1,981.02
  4. Step 4: Simplify right side
    2,632.26x = 7,807,397.92
  5. Step 5: Solve for x
    x = 7,807,397.92/2,632.26
  6. Step 6: Final answer
    x = 2,966.04

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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.