Home / 3,530.10-5,291.55-1,967.70

Finding the Fourth Proportional to 3,530.10, 5,291.55 and 1,967.70

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Solution

The fourth proportional to 3,530.10, 5,291.55 and 1,967.70 is: 2,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.10 : 5,291.55 = 1,967.70 : x
  2. Step 2: Convert to fraction form
    3,530.10/5,291.55 = 1,967.70/x
  3. Step 3: Cross multiply
    3,530.10x = 5,291.55 × 1,967.70
  4. Step 4: Simplify right side
    3,530.10x = 10,412,182.94
  5. Step 5: Solve for x
    x = 10,412,182.94/3,530.10
  6. Step 6: Final answer
    x = 2,949.54

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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.