Home / 3,877.24-5,816.60-1,280.92

Finding the Fourth Proportional to 3,877.24, 5,816.60 and 1,280.92

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Solution

The fourth proportional to 3,877.24, 5,816.60 and 1,280.92 is: 1,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.24 : 5,816.60 = 1,280.92 : x
  2. Step 2: Convert to fraction form
    3,877.24/5,816.60 = 1,280.92/x
  3. Step 3: Cross multiply
    3,877.24x = 5,816.60 × 1,280.92
  4. Step 4: Simplify right side
    3,877.24x = 7,450,599.27
  5. Step 5: Solve for x
    x = 7,450,599.27/3,877.24
  6. Step 6: Final answer
    x = 1,921.62

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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.