Home / 3,554.39-5,332.37-1,089.40

Finding the Fourth Proportional to 3,554.39, 5,332.37 and 1,089.40

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Solution

The fourth proportional to 3,554.39, 5,332.37 and 1,089.40 is: 1,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.39 : 5,332.37 = 1,089.40 : x
  2. Step 2: Convert to fraction form
    3,554.39/5,332.37 = 1,089.40/x
  3. Step 3: Cross multiply
    3,554.39x = 5,332.37 × 1,089.40
  4. Step 4: Simplify right side
    3,554.39x = 5,809,051.77
  5. Step 5: Solve for x
    x = 5,809,051.77/3,554.39
  6. Step 6: Final answer
    x = 1,634.33

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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.