Home / 2,521.80-3,777.30-2,197.80

Finding the Fourth Proportional to 2,521.80, 3,777.30 and 2,197.80

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Solution

The fourth proportional to 2,521.80, 3,777.30 and 2,197.80 is: 3,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.80 : 3,777.30 = 2,197.80 : x
  2. Step 2: Convert to fraction form
    2,521.80/3,777.30 = 2,197.80/x
  3. Step 3: Cross multiply
    2,521.80x = 3,777.30 × 2,197.80
  4. Step 4: Simplify right side
    2,521.80x = 8,301,749.94
  5. Step 5: Solve for x
    x = 8,301,749.94/2,521.80
  6. Step 6: Final answer
    x = 3,291.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.