Home / 2,607.12-3,911.04-1,740.96

Finding the Fourth Proportional to 2,607.12, 3,911.04 and 1,740.96

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Solution

The fourth proportional to 2,607.12, 3,911.04 and 1,740.96 is: 2,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.12 : 3,911.04 = 1,740.96 : x
  2. Step 2: Convert to fraction form
    2,607.12/3,911.04 = 1,740.96/x
  3. Step 3: Cross multiply
    2,607.12x = 3,911.04 × 1,740.96
  4. Step 4: Simplify right side
    2,607.12x = 6,808,964.20
  5. Step 5: Solve for x
    x = 6,808,964.20/2,607.12
  6. Step 6: Final answer
    x = 2,611.68

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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.