Home / 3,780.83-5,214.85-2,521.26

Finding the Fourth Proportional to 3,780.83, 5,214.85 and 2,521.26

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Solution

The fourth proportional to 3,780.83, 5,214.85 and 2,521.26 is: 3,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.83 : 5,214.85 = 2,521.26 : x
  2. Step 2: Convert to fraction form
    3,780.83/5,214.85 = 2,521.26/x
  3. Step 3: Cross multiply
    3,780.83x = 5,214.85 × 2,521.26
  4. Step 4: Simplify right side
    3,780.83x = 13,147,986.41
  5. Step 5: Solve for x
    x = 13,147,986.41/3,780.83
  6. Step 6: Final answer
    x = 3,477.54

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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.