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Finding the Fourth Proportional to 4,308.06, 5,945.16 and 2,419.68

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Solution

The fourth proportional to 4,308.06, 5,945.16 and 2,419.68 is: 3,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.06 : 5,945.16 = 2,419.68 : x
  2. Step 2: Convert to fraction form
    4,308.06/5,945.16 = 2,419.68/x
  3. Step 3: Cross multiply
    4,308.06x = 5,945.16 × 2,419.68
  4. Step 4: Simplify right side
    4,308.06x = 14,385,384.75
  5. Step 5: Solve for x
    x = 14,385,384.75/4,308.06
  6. Step 6: Final answer
    x = 3,339.18

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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.