Home / 3,635.80-5,448.84-1,784.08

Finding the Fourth Proportional to 3,635.80, 5,448.84 and 1,784.08

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Solution

The fourth proportional to 3,635.80, 5,448.84 and 1,784.08 is: 2,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.80 : 5,448.84 = 1,784.08 : x
  2. Step 2: Convert to fraction form
    3,635.80/5,448.84 = 1,784.08/x
  3. Step 3: Cross multiply
    3,635.80x = 5,448.84 × 1,784.08
  4. Step 4: Simplify right side
    3,635.80x = 9,721,166.47
  5. Step 5: Solve for x
    x = 9,721,166.47/3,635.80
  6. Step 6: Final answer
    x = 2,673.74

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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.