Home / 2,729.45-3,766.52-1,669.00

Finding the Fourth Proportional to 2,729.45, 3,766.52 and 1,669.00

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Solution

The fourth proportional to 2,729.45, 3,766.52 and 1,669.00 is: 2,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.45 : 3,766.52 = 1,669.00 : x
  2. Step 2: Convert to fraction form
    2,729.45/3,766.52 = 1,669.00/x
  3. Step 3: Cross multiply
    2,729.45x = 3,766.52 × 1,669.00
  4. Step 4: Simplify right side
    2,729.45x = 6,286,307.22
  5. Step 5: Solve for x
    x = 6,286,307.22/2,729.45
  6. Step 6: Final answer
    x = 2,303.14

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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.