Home / 3,177.79-4,768.30-1,535.74

Finding the Fourth Proportional to 3,177.79, 4,768.30 and 1,535.74

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Solution

The fourth proportional to 3,177.79, 4,768.30 and 1,535.74 is: 2,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.79 : 4,768.30 = 1,535.74 : x
  2. Step 2: Convert to fraction form
    3,177.79/4,768.30 = 1,535.74/x
  3. Step 3: Cross multiply
    3,177.79x = 4,768.30 × 1,535.74
  4. Step 4: Simplify right side
    3,177.79x = 7,322,859.04
  5. Step 5: Solve for x
    x = 7,322,859.04/3,177.79
  6. Step 6: Final answer
    x = 2,304.39

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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.