Home / 3,801.95-5,246.08-2,123.27

Finding the Fourth Proportional to 3,801.95, 5,246.08 and 2,123.27

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Solution

The fourth proportional to 3,801.95, 5,246.08 and 2,123.27 is: 2,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.95 : 5,246.08 = 2,123.27 : x
  2. Step 2: Convert to fraction form
    3,801.95/5,246.08 = 2,123.27/x
  3. Step 3: Cross multiply
    3,801.95x = 5,246.08 × 2,123.27
  4. Step 4: Simplify right side
    3,801.95x = 11,138,832.42
  5. Step 5: Solve for x
    x = 11,138,832.42/3,801.95
  6. Step 6: Final answer
    x = 2,929.77

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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.