Home / 3,686.29-5,530.04-1,089.49

Finding the Fourth Proportional to 3,686.29, 5,530.04 and 1,089.49

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Solution

The fourth proportional to 3,686.29, 5,530.04 and 1,089.49 is: 1,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.29 : 5,530.04 = 1,089.49 : x
  2. Step 2: Convert to fraction form
    3,686.29/5,530.04 = 1,089.49/x
  3. Step 3: Cross multiply
    3,686.29x = 5,530.04 × 1,089.49
  4. Step 4: Simplify right side
    3,686.29x = 6,024,923.28
  5. Step 5: Solve for x
    x = 6,024,923.28/3,686.29
  6. Step 6: Final answer
    x = 1,634.41

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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.