Home / 1,790.17-2,686.32-968.43

Finding the Fourth Proportional to 1,790.17, 2,686.32 and 968.43

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Solution

The fourth proportional to 1,790.17, 2,686.32 and 968.43 is: 1,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.17 : 2,686.32 = 968.43 : x
  2. Step 2: Convert to fraction form
    1,790.17/2,686.32 = 968.43/x
  3. Step 3: Cross multiply
    1,790.17x = 2,686.32 × 968.43
  4. Step 4: Simplify right side
    1,790.17x = 2,601,502.80
  5. Step 5: Solve for x
    x = 2,601,502.80/1,790.17
  6. Step 6: Final answer
    x = 1,453.21

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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.