Home / 3,115.60-4,673.40-2,410.90

Finding the Fourth Proportional to 3,115.60, 4,673.40 and 2,410.90

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Solution

The fourth proportional to 3,115.60, 4,673.40 and 2,410.90 is: 3,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.60 : 4,673.40 = 2,410.90 : x
  2. Step 2: Convert to fraction form
    3,115.60/4,673.40 = 2,410.90/x
  3. Step 3: Cross multiply
    3,115.60x = 4,673.40 × 2,410.90
  4. Step 4: Simplify right side
    3,115.60x = 11,267,100.06
  5. Step 5: Solve for x
    x = 11,267,100.06/3,115.60
  6. Step 6: Final answer
    x = 3,616.35

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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.