Home / 2,191.04-3,023.70-1,246.97

Finding the Fourth Proportional to 2,191.04, 3,023.70 and 1,246.97

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Solution

The fourth proportional to 2,191.04, 3,023.70 and 1,246.97 is: 1,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.04 : 3,023.70 = 1,246.97 : x
  2. Step 2: Convert to fraction form
    2,191.04/3,023.70 = 1,246.97/x
  3. Step 3: Cross multiply
    2,191.04x = 3,023.70 × 1,246.97
  4. Step 4: Simplify right side
    2,191.04x = 3,770,448.07
  5. Step 5: Solve for x
    x = 3,770,448.07/2,191.04
  6. Step 6: Final answer
    x = 1,720.85

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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.