Home / 3,410.39-5,115.59-2,312.03

Finding the Fourth Proportional to 3,410.39, 5,115.59 and 2,312.03

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Solution

The fourth proportional to 3,410.39, 5,115.59 and 2,312.03 is: 3,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.39 : 5,115.59 = 2,312.03 : x
  2. Step 2: Convert to fraction form
    3,410.39/5,115.59 = 2,312.03/x
  3. Step 3: Cross multiply
    3,410.39x = 5,115.59 × 2,312.03
  4. Step 4: Simplify right side
    3,410.39x = 11,827,360.41
  5. Step 5: Solve for x
    x = 11,827,360.41/3,410.39
  6. Step 6: Final answer
    x = 3,468.04

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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.