Home / 2,191.30-3,023.66-1,352.34

Finding the Fourth Proportional to 2,191.30, 3,023.66 and 1,352.34

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Solution

The fourth proportional to 2,191.30, 3,023.66 and 1,352.34 is: 1,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.30 : 3,023.66 = 1,352.34 : x
  2. Step 2: Convert to fraction form
    2,191.30/3,023.66 = 1,352.34/x
  3. Step 3: Cross multiply
    2,191.30x = 3,023.66 × 1,352.34
  4. Step 4: Simplify right side
    2,191.30x = 4,089,019.75
  5. Step 5: Solve for x
    x = 4,089,019.75/2,191.30
  6. Step 6: Final answer
    x = 1,866.03

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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.