Home / 1,486.80-2,232.63-1,161.18

Finding the Fourth Proportional to 1,486.80, 2,232.63 and 1,161.18

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Solution

The fourth proportional to 1,486.80, 2,232.63 and 1,161.18 is: 1,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.80 : 2,232.63 = 1,161.18 : x
  2. Step 2: Convert to fraction form
    1,486.80/2,232.63 = 1,161.18/x
  3. Step 3: Cross multiply
    1,486.80x = 2,232.63 × 1,161.18
  4. Step 4: Simplify right side
    1,486.80x = 2,592,485.30
  5. Step 5: Solve for x
    x = 2,592,485.30/1,486.80
  6. Step 6: Final answer
    x = 1,743.67

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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.