Home / 2,191.02-3,023.67-1,246.70

Finding the Fourth Proportional to 2,191.02, 3,023.67 and 1,246.70

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Solution

The fourth proportional to 2,191.02, 3,023.67 and 1,246.70 is: 1,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.02 : 3,023.67 = 1,246.70 : x
  2. Step 2: Convert to fraction form
    2,191.02/3,023.67 = 1,246.70/x
  3. Step 3: Cross multiply
    2,191.02x = 3,023.67 × 1,246.70
  4. Step 4: Simplify right side
    2,191.02x = 3,769,609.39
  5. Step 5: Solve for x
    x = 3,769,609.39/2,191.02
  6. Step 6: Final answer
    x = 1,720.48

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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.