Home / 3,115.05-4,681.41-2,904.58

Finding the Fourth Proportional to 3,115.05, 4,681.41 and 2,904.58

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Solution

The fourth proportional to 3,115.05, 4,681.41 and 2,904.58 is: 4,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.05 : 4,681.41 = 2,904.58 : x
  2. Step 2: Convert to fraction form
    3,115.05/4,681.41 = 2,904.58/x
  3. Step 3: Cross multiply
    3,115.05x = 4,681.41 × 2,904.58
  4. Step 4: Simplify right side
    3,115.05x = 13,597,529.86
  5. Step 5: Solve for x
    x = 13,597,529.86/3,115.05
  6. Step 6: Final answer
    x = 4,365.11

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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.