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Finding the Fourth Proportional to 3,304.16, 4,956.99 and 1,918.65

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Solution

The fourth proportional to 3,304.16, 4,956.99 and 1,918.65 is: 2,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.16 : 4,956.99 = 1,918.65 : x
  2. Step 2: Convert to fraction form
    3,304.16/4,956.99 = 1,918.65/x
  3. Step 3: Cross multiply
    3,304.16x = 4,956.99 × 1,918.65
  4. Step 4: Simplify right side
    3,304.16x = 9,510,728.86
  5. Step 5: Solve for x
    x = 9,510,728.86/3,304.16
  6. Step 6: Final answer
    x = 2,878.41

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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.