Home / 2,170.64-2,995.49-1,175.93

Finding the Fourth Proportional to 2,170.64, 2,995.49 and 1,175.93

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Solution

The fourth proportional to 2,170.64, 2,995.49 and 1,175.93 is: 1,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.64 : 2,995.49 = 1,175.93 : x
  2. Step 2: Convert to fraction form
    2,170.64/2,995.49 = 1,175.93/x
  3. Step 3: Cross multiply
    2,170.64x = 2,995.49 × 1,175.93
  4. Step 4: Simplify right side
    2,170.64x = 3,522,465.70
  5. Step 5: Solve for x
    x = 3,522,465.70/2,170.64
  6. Step 6: Final answer
    x = 1,622.78

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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.