Home / 3,417.34-5,114.40-2,185.60

Finding the Fourth Proportional to 3,417.34, 5,114.40 and 2,185.60

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Solution

The fourth proportional to 3,417.34, 5,114.40 and 2,185.60 is: 3,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.34 : 5,114.40 = 2,185.60 : x
  2. Step 2: Convert to fraction form
    3,417.34/5,114.40 = 2,185.60/x
  3. Step 3: Cross multiply
    3,417.34x = 5,114.40 × 2,185.60
  4. Step 4: Simplify right side
    3,417.34x = 11,178,032.64
  5. Step 5: Solve for x
    x = 11,178,032.64/3,417.34
  6. Step 6: Final answer
    x = 3,270.97

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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.