Home / 3,801.65-5,246.30-2,123.08

Finding the Fourth Proportional to 3,801.65, 5,246.30 and 2,123.08

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Solution

The fourth proportional to 3,801.65, 5,246.30 and 2,123.08 is: 2,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.65 : 5,246.30 = 2,123.08 : x
  2. Step 2: Convert to fraction form
    3,801.65/5,246.30 = 2,123.08/x
  3. Step 3: Cross multiply
    3,801.65x = 5,246.30 × 2,123.08
  4. Step 4: Simplify right side
    3,801.65x = 11,138,306.80
  5. Step 5: Solve for x
    x = 11,138,306.80/3,801.65
  6. Step 6: Final answer
    x = 2,929.86

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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.