Home / 2,459.62-3,392.04-1,620.02

Finding the Fourth Proportional to 2,459.62, 3,392.04 and 1,620.02

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Solution

The fourth proportional to 2,459.62, 3,392.04 and 1,620.02 is: 2,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.62 : 3,392.04 = 1,620.02 : x
  2. Step 2: Convert to fraction form
    2,459.62/3,392.04 = 1,620.02/x
  3. Step 3: Cross multiply
    2,459.62x = 3,392.04 × 1,620.02
  4. Step 4: Simplify right side
    2,459.62x = 5,495,172.64
  5. Step 5: Solve for x
    x = 5,495,172.64/2,459.62
  6. Step 6: Final answer
    x = 2,234.16

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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.