Home / 2,165.58-3,242.76-1,190.52

Finding the Fourth Proportional to 2,165.58, 3,242.76 and 1,190.52

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Solution

The fourth proportional to 2,165.58, 3,242.76 and 1,190.52 is: 1,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.58 : 3,242.76 = 1,190.52 : x
  2. Step 2: Convert to fraction form
    2,165.58/3,242.76 = 1,190.52/x
  3. Step 3: Cross multiply
    2,165.58x = 3,242.76 × 1,190.52
  4. Step 4: Simplify right side
    2,165.58x = 3,860,570.64
  5. Step 5: Solve for x
    x = 3,860,570.64/2,165.58
  6. Step 6: Final answer
    x = 1,782.70

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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.