Home / 2,170.23-2,994.96-1,175.55

Finding the Fourth Proportional to 2,170.23, 2,994.96 and 1,175.55

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Solution

The fourth proportional to 2,170.23, 2,994.96 and 1,175.55 is: 1,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.23 : 2,994.96 = 1,175.55 : x
  2. Step 2: Convert to fraction form
    2,170.23/2,994.96 = 1,175.55/x
  3. Step 3: Cross multiply
    2,170.23x = 2,994.96 × 1,175.55
  4. Step 4: Simplify right side
    2,170.23x = 3,520,725.23
  5. Step 5: Solve for x
    x = 3,520,725.23/2,170.23
  6. Step 6: Final answer
    x = 1,622.28

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1.5x scale

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.