Home / 3,105.05-4,657.01-1,025.07

Finding the Fourth Proportional to 3,105.05, 4,657.01 and 1,025.07

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Solution

The fourth proportional to 3,105.05, 4,657.01 and 1,025.07 is: 1,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.05 : 4,657.01 = 1,025.07 : x
  2. Step 2: Convert to fraction form
    3,105.05/4,657.01 = 1,025.07/x
  3. Step 3: Cross multiply
    3,105.05x = 4,657.01 × 1,025.07
  4. Step 4: Simplify right side
    3,105.05x = 4,773,756.12
  5. Step 5: Solve for x
    x = 4,773,756.12/3,105.05
  6. Step 6: Final answer
    x = 1,537.42

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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.