Home / 3,530.69-5,294.68-1,190.06

Finding the Fourth Proportional to 3,530.69, 5,294.68 and 1,190.06

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Solution

The fourth proportional to 3,530.69, 5,294.68 and 1,190.06 is: 1,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.69 : 5,294.68 = 1,190.06 : x
  2. Step 2: Convert to fraction form
    3,530.69/5,294.68 = 1,190.06/x
  3. Step 3: Cross multiply
    3,530.69x = 5,294.68 × 1,190.06
  4. Step 4: Simplify right side
    3,530.69x = 6,300,986.88
  5. Step 5: Solve for x
    x = 6,300,986.88/3,530.69
  6. Step 6: Final answer
    x = 1,784.63

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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.