Home / 1,617.70-2,232.64-1,176.05

Finding the Fourth Proportional to 1,617.70, 2,232.64 and 1,176.05

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Solution

The fourth proportional to 1,617.70, 2,232.64 and 1,176.05 is: 1,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.70 : 2,232.64 = 1,176.05 : x
  2. Step 2: Convert to fraction form
    1,617.70/2,232.64 = 1,176.05/x
  3. Step 3: Cross multiply
    1,617.70x = 2,232.64 × 1,176.05
  4. Step 4: Simplify right side
    1,617.70x = 2,625,696.27
  5. Step 5: Solve for x
    x = 2,625,696.27/1,617.70
  6. Step 6: Final answer
    x = 1,623.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.