Home / 2,279.12-3,416.26-1,303.12

Finding the Fourth Proportional to 2,279.12, 3,416.26 and 1,303.12

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Solution

The fourth proportional to 2,279.12, 3,416.26 and 1,303.12 is: 1,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.12 : 3,416.26 = 1,303.12 : x
  2. Step 2: Convert to fraction form
    2,279.12/3,416.26 = 1,303.12/x
  3. Step 3: Cross multiply
    2,279.12x = 3,416.26 × 1,303.12
  4. Step 4: Simplify right side
    2,279.12x = 4,451,796.73
  5. Step 5: Solve for x
    x = 4,451,796.73/2,279.12
  6. Step 6: Final answer
    x = 1,953.30

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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.