Home / 3,785.80-5,677.44-1,836.76

Finding the Fourth Proportional to 3,785.80, 5,677.44 and 1,836.76

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Solution

The fourth proportional to 3,785.80, 5,677.44 and 1,836.76 is: 2,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.80 : 5,677.44 = 1,836.76 : x
  2. Step 2: Convert to fraction form
    3,785.80/5,677.44 = 1,836.76/x
  3. Step 3: Cross multiply
    3,785.80x = 5,677.44 × 1,836.76
  4. Step 4: Simplify right side
    3,785.80x = 10,428,094.69
  5. Step 5: Solve for x
    x = 10,428,094.69/3,785.80
  6. Step 6: Final answer
    x = 2,754.53

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1.5x scale

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.