Home / 3,530.07-5,291.46-1,679.85

Finding the Fourth Proportional to 3,530.07, 5,291.46 and 1,679.85

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Solution

The fourth proportional to 3,530.07, 5,291.46 and 1,679.85 is: 2,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.07 : 5,291.46 = 1,679.85 : x
  2. Step 2: Convert to fraction form
    3,530.07/5,291.46 = 1,679.85/x
  3. Step 3: Cross multiply
    3,530.07x = 5,291.46 × 1,679.85
  4. Step 4: Simplify right side
    3,530.07x = 8,888,859.08
  5. Step 5: Solve for x
    x = 8,888,859.08/3,530.07
  6. Step 6: Final answer
    x = 2,518.04

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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.