Home / 3,109.50-4,665.60-1,551.06

Finding the Fourth Proportional to 3,109.50, 4,665.60 and 1,551.06

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Solution

The fourth proportional to 3,109.50, 4,665.60 and 1,551.06 is: 2,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.50 : 4,665.60 = 1,551.06 : x
  2. Step 2: Convert to fraction form
    3,109.50/4,665.60 = 1,551.06/x
  3. Step 3: Cross multiply
    3,109.50x = 4,665.60 × 1,551.06
  4. Step 4: Simplify right side
    3,109.50x = 7,236,625.54
  5. Step 5: Solve for x
    x = 7,236,625.54/3,109.50
  6. Step 6: Final answer
    x = 2,327.26

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1.5x scale

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.