Home / 3,655.80-5,476.78-1,804.74

Finding the Fourth Proportional to 3,655.80, 5,476.78 and 1,804.74

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Solution

The fourth proportional to 3,655.80, 5,476.78 and 1,804.74 is: 2,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.80 : 5,476.78 = 1,804.74 : x
  2. Step 2: Convert to fraction form
    3,655.80/5,476.78 = 1,804.74/x
  3. Step 3: Cross multiply
    3,655.80x = 5,476.78 × 1,804.74
  4. Step 4: Simplify right side
    3,655.80x = 9,884,163.94
  5. Step 5: Solve for x
    x = 9,884,163.94/3,655.80
  6. Step 6: Final answer
    x = 2,703.69

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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.