Home / 3,826.35-5,280.29-2,124.77

Finding the Fourth Proportional to 3,826.35, 5,280.29 and 2,124.77

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Solution

The fourth proportional to 3,826.35, 5,280.29 and 2,124.77 is: 2,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.35 : 5,280.29 = 2,124.77 : x
  2. Step 2: Convert to fraction form
    3,826.35/5,280.29 = 2,124.77/x
  3. Step 3: Cross multiply
    3,826.35x = 5,280.29 × 2,124.77
  4. Step 4: Simplify right side
    3,826.35x = 11,219,398.36
  5. Step 5: Solve for x
    x = 11,219,398.36/3,826.35
  6. Step 6: Final answer
    x = 2,932.14

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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.