Home / 3,242.55-4,868.69-1,857.45

Finding the Fourth Proportional to 3,242.55, 4,868.69 and 1,857.45

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Solution

The fourth proportional to 3,242.55, 4,868.69 and 1,857.45 is: 2,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.55 : 4,868.69 = 1,857.45 : x
  2. Step 2: Convert to fraction form
    3,242.55/4,868.69 = 1,857.45/x
  3. Step 3: Cross multiply
    3,242.55x = 4,868.69 × 1,857.45
  4. Step 4: Simplify right side
    3,242.55x = 9,043,338.95
  5. Step 5: Solve for x
    x = 9,043,338.95/3,242.55
  6. Step 6: Final answer
    x = 2,788.96

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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.