Home / 3,523.50-5,279.76-1,331.03

Finding the Fourth Proportional to 3,523.50, 5,279.76 and 1,331.03

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Solution

The fourth proportional to 3,523.50, 5,279.76 and 1,331.03 is: 1,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.50 : 5,279.76 = 1,331.03 : x
  2. Step 2: Convert to fraction form
    3,523.50/5,279.76 = 1,331.03/x
  3. Step 3: Cross multiply
    3,523.50x = 5,279.76 × 1,331.03
  4. Step 4: Simplify right side
    3,523.50x = 7,027,532.15
  5. Step 5: Solve for x
    x = 7,027,532.15/3,523.50
  6. Step 6: Final answer
    x = 1,994.47

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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.