Home / 2,170.10-2,994.74-1,175.38

Finding the Fourth Proportional to 2,170.10, 2,994.74 and 1,175.38

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Solution

The fourth proportional to 2,170.10, 2,994.74 and 1,175.38 is: 1,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.10 : 2,994.74 = 1,175.38 : x
  2. Step 2: Convert to fraction form
    2,170.10/2,994.74 = 1,175.38/x
  3. Step 3: Cross multiply
    2,170.10x = 2,994.74 × 1,175.38
  4. Step 4: Simplify right side
    2,170.10x = 3,519,947.08
  5. Step 5: Solve for x
    x = 3,519,947.08/2,170.10
  6. Step 6: Final answer
    x = 1,622.02

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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.