Home / 3,612.84-5,419.62-1,304.16

Finding the Fourth Proportional to 3,612.84, 5,419.62 and 1,304.16

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Solution

The fourth proportional to 3,612.84, 5,419.62 and 1,304.16 is: 1,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.84 : 5,419.62 = 1,304.16 : x
  2. Step 2: Convert to fraction form
    3,612.84/5,419.62 = 1,304.16/x
  3. Step 3: Cross multiply
    3,612.84x = 5,419.62 × 1,304.16
  4. Step 4: Simplify right side
    3,612.84x = 7,068,051.62
  5. Step 5: Solve for x
    x = 7,068,051.62/3,612.84
  6. Step 6: Final answer
    x = 1,956.37

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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.