Home / 3,501.23-5,250.69-1,279.55

Finding the Fourth Proportional to 3,501.23, 5,250.69 and 1,279.55

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Solution

The fourth proportional to 3,501.23, 5,250.69 and 1,279.55 is: 1,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.23 : 5,250.69 = 1,279.55 : x
  2. Step 2: Convert to fraction form
    3,501.23/5,250.69 = 1,279.55/x
  3. Step 3: Cross multiply
    3,501.23x = 5,250.69 × 1,279.55
  4. Step 4: Simplify right side
    3,501.23x = 6,718,494.14
  5. Step 5: Solve for x
    x = 6,718,494.14/3,501.23
  6. Step 6: Final answer
    x = 1,918.90

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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.