Home / 3,689.61-5,534.20-1,224.37

Finding the Fourth Proportional to 3,689.61, 5,534.20 and 1,224.37

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Solution

The fourth proportional to 3,689.61, 5,534.20 and 1,224.37 is: 1,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.61 : 5,534.20 = 1,224.37 : x
  2. Step 2: Convert to fraction form
    3,689.61/5,534.20 = 1,224.37/x
  3. Step 3: Cross multiply
    3,689.61x = 5,534.20 × 1,224.37
  4. Step 4: Simplify right side
    3,689.61x = 6,775,908.45
  5. Step 5: Solve for x
    x = 6,775,908.45/3,689.61
  6. Step 6: Final answer
    x = 1,836.48

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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.