Home / 3,826.48-5,280.76-2,893.36

Finding the Fourth Proportional to 3,826.48, 5,280.76 and 2,893.36

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Solution

The fourth proportional to 3,826.48, 5,280.76 and 2,893.36 is: 3,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.48 : 5,280.76 = 2,893.36 : x
  2. Step 2: Convert to fraction form
    3,826.48/5,280.76 = 2,893.36/x
  3. Step 3: Cross multiply
    3,826.48x = 5,280.76 × 2,893.36
  4. Step 4: Simplify right side
    3,826.48x = 15,279,139.75
  5. Step 5: Solve for x
    x = 15,279,139.75/3,826.48
  6. Step 6: Final answer
    x = 3,993.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.