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Finding the Fourth Proportional to 3,309.16, 4,964.57 and 1,460.78

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Solution

The fourth proportional to 3,309.16, 4,964.57 and 1,460.78 is: 2,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.16 : 4,964.57 = 1,460.78 : x
  2. Step 2: Convert to fraction form
    3,309.16/4,964.57 = 1,460.78/x
  3. Step 3: Cross multiply
    3,309.16x = 4,964.57 × 1,460.78
  4. Step 4: Simplify right side
    3,309.16x = 7,252,160.63
  5. Step 5: Solve for x
    x = 7,252,160.63/3,309.16
  6. Step 6: Final answer
    x = 2,191.54

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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.