Home / 2,729.63-3,768.28-1,610.91

Finding the Fourth Proportional to 2,729.63, 3,768.28 and 1,610.91

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Solution

The fourth proportional to 2,729.63, 3,768.28 and 1,610.91 is: 2,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.63 : 3,768.28 = 1,610.91 : x
  2. Step 2: Convert to fraction form
    2,729.63/3,768.28 = 1,610.91/x
  3. Step 3: Cross multiply
    2,729.63x = 3,768.28 × 1,610.91
  4. Step 4: Simplify right side
    2,729.63x = 6,070,355.91
  5. Step 5: Solve for x
    x = 6,070,355.91/2,729.63
  6. Step 6: Final answer
    x = 2,223.87

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1.5x scale

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.