Home / 3,554.51-5,332.53-1,089.50

Finding the Fourth Proportional to 3,554.51, 5,332.53 and 1,089.50

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Solution

The fourth proportional to 3,554.51, 5,332.53 and 1,089.50 is: 1,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.51 : 5,332.53 = 1,089.50 : x
  2. Step 2: Convert to fraction form
    3,554.51/5,332.53 = 1,089.50/x
  3. Step 3: Cross multiply
    3,554.51x = 5,332.53 × 1,089.50
  4. Step 4: Simplify right side
    3,554.51x = 5,809,791.44
  5. Step 5: Solve for x
    x = 5,809,791.44/3,554.51
  6. Step 6: Final answer
    x = 1,634.48

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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.