Home / 3,472.80-4,791.70-2,055.78

Finding the Fourth Proportional to 3,472.80, 4,791.70 and 2,055.78

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Solution

The fourth proportional to 3,472.80, 4,791.70 and 2,055.78 is: 2,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.80 : 4,791.70 = 2,055.78 : x
  2. Step 2: Convert to fraction form
    3,472.80/4,791.70 = 2,055.78/x
  3. Step 3: Cross multiply
    3,472.80x = 4,791.70 × 2,055.78
  4. Step 4: Simplify right side
    3,472.80x = 9,850,681.03
  5. Step 5: Solve for x
    x = 9,850,681.03/3,472.80
  6. Step 6: Final answer
    x = 2,836.52

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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.