Home / 3,689.39-5,530.75-1,841.08

Finding the Fourth Proportional to 3,689.39, 5,530.75 and 1,841.08

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Solution

The fourth proportional to 3,689.39, 5,530.75 and 1,841.08 is: 2,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.39 : 5,530.75 = 1,841.08 : x
  2. Step 2: Convert to fraction form
    3,689.39/5,530.75 = 1,841.08/x
  3. Step 3: Cross multiply
    3,689.39x = 5,530.75 × 1,841.08
  4. Step 4: Simplify right side
    3,689.39x = 10,182,534.78
  5. Step 5: Solve for x
    x = 10,182,534.78/3,689.39
  6. Step 6: Final answer
    x = 2,759.95

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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.