Home / 3,529.72-5,296.65-1,310.14

Finding the Fourth Proportional to 3,529.72, 5,296.65 and 1,310.14

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Solution

The fourth proportional to 3,529.72, 5,296.65 and 1,310.14 is: 1,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.72 : 5,296.65 = 1,310.14 : x
  2. Step 2: Convert to fraction form
    3,529.72/5,296.65 = 1,310.14/x
  3. Step 3: Cross multiply
    3,529.72x = 5,296.65 × 1,310.14
  4. Step 4: Simplify right side
    3,529.72x = 6,939,353.03
  5. Step 5: Solve for x
    x = 6,939,353.03/3,529.72
  6. Step 6: Final answer
    x = 1,965.98

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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.