Home / 2,289.11-3,430.63-1,193.18

Finding the Fourth Proportional to 2,289.11, 3,430.63 and 1,193.18

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Solution

The fourth proportional to 2,289.11, 3,430.63 and 1,193.18 is: 1,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.11 : 3,430.63 = 1,193.18 : x
  2. Step 2: Convert to fraction form
    2,289.11/3,430.63 = 1,193.18/x
  3. Step 3: Cross multiply
    2,289.11x = 3,430.63 × 1,193.18
  4. Step 4: Simplify right side
    2,289.11x = 4,093,369.17
  5. Step 5: Solve for x
    x = 4,093,369.17/2,289.11
  6. Step 6: Final answer
    x = 1,788.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.