Home / 3,554.87-5,332.32-1,089.69

Finding the Fourth Proportional to 3,554.87, 5,332.32 and 1,089.69

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Solution

The fourth proportional to 3,554.87, 5,332.32 and 1,089.69 is: 1,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.87 : 5,332.32 = 1,089.69 : x
  2. Step 2: Convert to fraction form
    3,554.87/5,332.32 = 1,089.69/x
  3. Step 3: Cross multiply
    3,554.87x = 5,332.32 × 1,089.69
  4. Step 4: Simplify right side
    3,554.87x = 5,810,575.78
  5. Step 5: Solve for x
    x = 5,810,575.78/3,554.87
  6. Step 6: Final answer
    x = 1,634.54

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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.