Home / 2,170.12-2,993.84-1,373.05

Finding the Fourth Proportional to 2,170.12, 2,993.84 and 1,373.05

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Solution

The fourth proportional to 2,170.12, 2,993.84 and 1,373.05 is: 1,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.12 : 2,993.84 = 1,373.05 : x
  2. Step 2: Convert to fraction form
    2,170.12/2,993.84 = 1,373.05/x
  3. Step 3: Cross multiply
    2,170.12x = 2,993.84 × 1,373.05
  4. Step 4: Simplify right side
    2,170.12x = 4,110,677.66
  5. Step 5: Solve for x
    x = 4,110,677.66/2,170.12
  6. Step 6: Final answer
    x = 1,894.22

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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.