Home / 2,170.27-2,994.95-1,175.53

Finding the Fourth Proportional to 2,170.27, 2,994.95 and 1,175.53

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Solution

The fourth proportional to 2,170.27, 2,994.95 and 1,175.53 is: 1,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.27 : 2,994.95 = 1,175.53 : x
  2. Step 2: Convert to fraction form
    2,170.27/2,994.95 = 1,175.53/x
  3. Step 3: Cross multiply
    2,170.27x = 2,994.95 × 1,175.53
  4. Step 4: Simplify right side
    2,170.27x = 3,520,653.57
  5. Step 5: Solve for x
    x = 3,520,653.57/2,170.27
  6. Step 6: Final answer
    x = 1,622.22

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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.