Home / 2,737.05-4,107.60-1,812.30

Finding the Fourth Proportional to 2,737.05, 4,107.60 and 1,812.30

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Solution

The fourth proportional to 2,737.05, 4,107.60 and 1,812.30 is: 2,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.05 : 4,107.60 = 1,812.30 : x
  2. Step 2: Convert to fraction form
    2,737.05/4,107.60 = 1,812.30/x
  3. Step 3: Cross multiply
    2,737.05x = 4,107.60 × 1,812.30
  4. Step 4: Simplify right side
    2,737.05x = 7,444,203.48
  5. Step 5: Solve for x
    x = 7,444,203.48/2,737.05
  6. Step 6: Final answer
    x = 2,719.79

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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.