Home / 2,303.64-3,179.45-1,308.96

Finding the Fourth Proportional to 2,303.64, 3,179.45 and 1,308.96

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Solution

The fourth proportional to 2,303.64, 3,179.45 and 1,308.96 is: 1,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.64 : 3,179.45 = 1,308.96 : x
  2. Step 2: Convert to fraction form
    2,303.64/3,179.45 = 1,308.96/x
  3. Step 3: Cross multiply
    2,303.64x = 3,179.45 × 1,308.96
  4. Step 4: Simplify right side
    2,303.64x = 4,161,776.14
  5. Step 5: Solve for x
    x = 4,161,776.14/2,303.64
  6. Step 6: Final answer
    x = 1,806.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.